D es cr p i it on
Wire W ri e Co ol r Number
Power C ircuits 10 1
RD
10 2
BU
10 5
BR
1 09
O R
11 0
GN
Battery + ()
9 76
O R
Head Lamp
A314
OR
Key Switch
A509
PK
A/CTheromostat Switch
A tl Ou pt ut (+ )T e r m.
A523
PU
TemperaturePotentiometerPos#1
12V Batte ry Alarm, Backup
R di e C o nt or lS ol en oi d# 1
Alternator
Park Brake Switch
Cold Start R e la y
A524
BR
1 1 2
P U
Ma ni Po w e rR e l a y Ou pt u t
A 5 2 6
P K
E el tc or n i cWa et rV a l ev Act u a ot r
11 4
RD
Warni ng H orn F( orward)
A571
PU
Work L amp R e la y
11 7
YL
Level R ide Relay
A57 2
PK
Work Tool Switch # 1
1 1 8
G Y
Ri g h tRe a r Wo kr ni gL a mp s
A 7 5 2
B R
E U I Sp a r eS p e e d Se n so rIn pu t
12 0
YL
HVAC Blower
A771
PU
Float Switch
0 04 1
12 2
RD
Unswitched Power Out
Pa kr Brake Solenoid
0 0 70
P a r ikn g Bar k e Sw ict h
GN
Spare
C460
BU
Implement Varia ble Pump Pre ssure
0091
T h r o tl e t P o s i toi n S e n s o r
12 5
OR
Battery +()
C776
GN
Computer Box T o H yd Solenoid Valve
0 0 96
F u el L e ve l S e n sor
Hydraulic Oil Filter
0110
EngineCoo lantTem peratu re
A/C Controller To A/C C ompressor Clutch
0 1 90
E n gni e S pe e d S e n s or
12 6
PK
Powe r Port
OR
Right Joystick
12 8
RD
Battery (+)
12 9
BU
Radio
1 3 4
Y L
B a ck u p Al a r mS ot pL a m p s
13 5
BU
Left Joystick
1 80
GN
H VA C Co nd en se rC om pr es so r
E455 E554 E741 E847 E 8 4 8 E850 E 91 7 E 9 1 8
BR PK YL GY G N BR WH G N
Switched C ontrol P ower
0 2 62
5VoltD C S e ns o r Po w er S u pp l y
LH Joystick (Side )
0 3 54
B u ck e t R a i se S o l e n odi
L HJo s yt cik (F or n t R/ e a )r RH Joystick (Side) I mp l e m en tL oc ko ut S wi ct hT oG ro un d( N. O. ) I m p el m e n t Lo Lo k c o u S t w i cth To To G or u n dN (. C .)
0 3 55
B u ck e t Lo w e rSole n odi
0 3 57
R a ck b a c k S ol e no i d
0358
Implem entPilotPre ssureSu pply
0 3 67
R i de C o nt r ol S wti c h
0490
Implem entLoco k u t S w i thc
1 9 0
P K
Fu e l Pu m p So So el n o di
19 1
WH
Air Ride Seat
F 711
19 6
BU
Spare
F 712
GY
CAN Data Link -
0600
Hydrau licOilTemp eratu reSensor
1 9 8
P K
Co dl St a r R t e al yC o i l
F 7 3 8
W H
A tci e v Ri d e Co n t or lS w i cth (N. C .)
0 6 81
P a r ikn g Bar k e So l en odi
1007
Linkag eControlJo y s t ikcM a p p i n g S w itch
GN
CAN Data Link +
GroundCircuits
F 7 39
GN
A c itv eR i d e C o n rt o l S w ith c N ( .O .)
20 0
BK
Main C hassis
F 763
WH
Creeper S witch # 1 N ( .O.)
1 1 82
H i gh F l ow S oel n odi
20 2
BK
XMSN C ontrol
F 76 4
GN
Creeper Switch #2 (N.C.)
1189
A u x i lai r y H y dar u l i c s L e ver
20 3
BK
30 4
WH
3 06
GN
3 07
OR
30 8
YL
Chassis D iagnostic BasicMachineCircuits Starter Relay No. 1O 1Output
F 780
PK
Parking Brake Switch
1190
A r m r e ts/ S e a t S wi th c
F 90 5
YL
S u p re s er A cr S ol en oi d Se fl L ev el
1 4 82
1 0 V otlD C P ow e r Su p pl y
1 5 51
E n gni e D em a n dFanSs yte m
G797
BU
Switch To Relay Coil
S at rt er R eal y C o i l To N e u t ra l St ar t S w i ct h
G 94 3
BU
I mp el me nt F u n c S eel ct S wi ct h ( N . O. )
1703
L e f t D r iev P u m p F o r w a r d S o l e n odi
K ey S w ti ch T o V MS I S en so rM od ul e
G 94 4
YL
I mp l e m en tF un cS el ec tS wi ct h( N. C. )
1704
L e f t D r iev P u m p R e v esr e S o l e n odi
Main Power Relay Coil
G970
BU
Prop o rtional Valve Solenoid
1705
R i g h t D rvi e P u m p F o r w ardSoleno id
I nt er ol k c Ov er ir de S w i ct h
1706
R i g h t D rvi e P u m p R e e v rseSolen oid
Am r Ba rS w i ct h( N . O .)
1 9 60
I g ni toi n K ey R e ad e r
3 17
Y L
S at tr A di Re al yT oS at tr Ai dS ol en oi d
G 98 2
P K
3 2 1
B R
B a ck u p Al a r mL a mp Tr a ve lA al m r
G 9 8 3
G N
32 2
GY
32 7
Warni n g Horn (Forward)
G984
PK
2 2 11
A u xi lai r y Va l ve # 1
Sea t Switch
2 2 12
A u xi lai r y Va l ve # 2
Shutdo wn S o le n o id
O R
B a ck u p Al a r mRe al yCo l i
H7 46
Y L
F a n Co n t or S l o l e n oi dP o s tii e v
2 4 71
C a b Do o r P o s iito n S w ith c
YL
Fuel Pump Relay T o Switch
H75 8
BR
S o le n oid Out #1
2474
LeftJos ytickF orward /Reve rsePosio t nSensor
38 4
BU
H7 59
OR
S o le n o id O u t # 2
2475
R i g h t J osyt i c k F orward /Reve rsePosio t nSensor
H 79 1
G N
40 3
GN
Altern a tor (R) Terminal
H7 9 2
PU
Arm Bar Switch (N.O.)
PK
3 3 1 36 5
Relay o T G lo w P lu g s MonitoringCircuits
G9 85
BR
S wi ct hT oR e l ay # 1
2476
LeftJos ytickLe ft/R i g h t P o sti o n S e n o s r
Switch To Relay #2
2477
R i g h t J osyt i c k L e ft/R i g h t P o sti o n S e n o s r
P or po troi na l D r vi er Re ut nr (1 4- )
2 6 69
C r ee p er M o de S w ict h
4 06
P U
O pr Mo n C o ol an tT em pe ar ut er
H 80 2
G Y
P ro po troi na l D r vi e r Re ut nr (5 -8 )
2 6 85
L e tf D rvi e M o torSp e e d Se n so r # 1
4 1 0
WH
O p r Mo nA tcoi nA al m r
H 8 0 3
B U
P or p o tir o n a l Dr vie rRe ut nr (9 1- 2 )
2 6 86
L e tf D rvi e M o torSp e e d Se n so r # 2
4 18
W H
O pr Mo n O i lP er s .( H i gh S e t it ng )
H 80 7
43 0
BU
4 04
Y L
O pr Mo n H y dO li Te mp er at ur e
H 80 1
P U
Y L
O n/ O f fD ir ve rR et ur n( 1- 8)
2687
R i g h t D rvi e M o t o r S p e d S e n s o r # 1
2688
R i g h t D rvi e M o t o r S p e d S e n s o r # 2
Opr M on A ir Filter
H808
WH
O n /Off Driver Return (9-15)
YL
Tach Sender (+)
H845
WH
Tilt Up
¹TheCID isadiagnostic codethatindicateswhich circuitisfaulty.
45 1
BR
Tach Sender (-)
H846
PK
Tilt Down
46 9
GN
J7 5 3
BU
Pa te t rn Change Switch 6
²TheMID isadiagnostic codethatindicateswhich electroniccontrolmodule diagnosedthefault.
K 92 7
B U
Q ui k c Co up el r V a vl e
K943
OR
Travel Left Solenoid (Rear)
45 0
50 0 50 1
BR
Wipe -r Front (Pa kr) Wipe r- Front L( ow)
K94 4
YL
Travel Left Solenoid (Front)
Washer -Front
K946
OR
Travel R ig h t S o le n o id R ( ear )
50 8
PU
Rad oi Speaker -L -Left
K947
5 09
W H
R a d oi Sp ea ke r- L e f t( C o mm o m )
L 80 4
W H
R HJ oy tsci k( F r on /t R e ar )
51 1
BR
Rad io S peaker -Right
L987
WH
S tart A id Switch
50 6
GN
Fuel Level Sende rB+ AccessoryCircuits
PU
YL
5 1 2
G N
Ra di oS p e a k e r - R i g h (t C o m mo n)
M7 3
P K
W o r kT o W l a te rP u m p
PU
A/C C ondensor M otor
M906
BU
Work T ool R e la y # 1
51 5
GY
Blower Motor H ( i)
M907
GY
Work Tool Relay #2
51 6
GN
Blower Mo Motor ( M e d ium)
M927
GN
Implement Cu Cutout Va Valve
51 7
BU
Blower Motor (Low)
N740
WH
CAN Term.
5 20
W H
O pr A C / Sw ti h c T o Th er mo ts at F/ us e
N 93 1
G Y
H yd ar ul ci P um p Pr es u s er
53 6
WH
Hazard Switch To Turn Switch
N957
PK
RXD -C -Comm #1
53 7
GN
Turn Signal Switch To Flasher
N959
PK
RXD -C -Comm #3
56 7
BU
5 89
GN
5 97
P U
A/C Switch Jumper AC / H i Pr es s. C ut ou tS wi ct hT oC om pr es so r AC / Hi P er s . C u ot ut S w . To L ow Pr es .s S w . LightingCircuits
60 3
N960 N 96 3
OR OR
D T R - Co m m# 1 DCD -Comm #1
GN
S ignal Ground -Comm #1
N979
Sto p Lamp
N981
GN
YL
Tur n L amp -Left
P769
YL
Machine E CM T o S ensor Power 8( V)
60 6
GY
Tur n L amp -Righ t
P770
WH
Machine E CM T o S ensor Ground
PK
Floo d L amp -Fro nt
P796
OR
P attern C hange Switch 1
60 8
GN
Flo od L amp -Re ar
P797
GN
P attern C hange Switch 3
PU
Park/Tail/Dash/Lamp
P813
YL
Tai l/Position L amp - L eft
P814
BU
6 1 8 61 9
Y L
Ta liP/ o s tii o n La m p - R i g h t
P 8 3 1
B R
GN
He ad L amp L( ow)
P832
67 7
GN
Brake Lamp Relay ControlCircuits
P97 8
GN
P 9 7 9
Y L
77 9
WH
Co u pler Engage Solenoid
P981
PU
7 8 0
P U
Co up el rD sie n g ag eS o l e n o i d
7 81
P K
78 2
A ug er B u f ef rB ox To Ne ut ar l S t a r tC on rt ol
P 9 8 2 P 98 4
GY
Work o Tol R e la y # 2
P993
8 32
B R
H d y sr tR gi ht Mo ot rD ri ec it on S e n o s r
P 99 6
8 3
G Y
WH
B U Y L OR G N
I-6
3
G-12
28
E-3
8
Relay, Co ld Start
D-12
Relay, C o ndenser F an s
Machine Location 1
20
H-12
30
Resistor, HVAC
H-3
Sender, Fuel Level
9
C-8
6
E-8
1
S en so r, E ng ni e Co ol an t Te mp er at ur e
H -1 4
D- 8
2
Sensor, Engine S p eed
D-12
S en o s ,r Hy dr au il cT e m pe ar ut er
16 31
CONN 4
C-13, D-12
23
H 7-
1
CONN 5
D-11, G-8
3
Sensor, Le Left Motor Sp Speed
G-12
22
CONN 6
C-9, E -10
5
S e n os ,r Ri g h M t o to rS p e e d
D 1- 2
2 3
CONN 7
D-9, H-10
H-5
24
5
Sensor, Th Throttle Po Position
3
Solenoid, 2 Speed
F-12
32
CONN 9
I-6
3
S ol en oi d, A/ CC o m pr es o s r C l ut h c
G 1- 4
1 6
CONN 10
D- 5
24
Solenoid, A1
H-5
24
CONN 11
F-5
6
Solenoid, A2
G-5
24
CONN 12
F-5
CONN 8
I-8
CONN 13
I- 4
CONN 14
D- 2
CONN 15
E-2
CONN 16
1
Solenoid, Bucket L( ower)
7
Solenoid, Bucket R ( aise)
8
S o l e n o i d , Bu k ce (t T i tl Do w n )
G-5
24 2 4
Solenoid, Bucket (Tilt Up)
G-5
24
8
S o l e n o i d , Co dl St a r A t d v a n ec
D 1- 4
3 3
G-3
18
Solenoid, Demand a Fn
C-7
25
H-3
9
Solenoid, Fuel Shutdown
D-14
33
J- 1
1 0
S o l e n o i d , Hi g h Fl o w (C Mi n u )s
F 4-
2 4
S o l e n o i d , Hi g h Fl o w (C Pl u s )
F 4-
2 4
Solenoid, High Flow L( SR)
F-4
24 2 4
C O NN 19
W o r kT o C l o n n e tco r
Theconnectorsshownin thischartare forharnessto harnessconnectors. Connectorsthatjoina harnesstoa componentaregenerally locatedator near thecomponent. SeetheComponent LocationChart.
S o l e n o i d , Im Imp el m e n t Sh Sh u t o ff
H- 5
S o l e n o i d , LH Fo w r a dr Pu m p
G 1- 2
S o le n o id , L H R ev P ump
G-12
Solenoid, Parking Bra ek
3 4 35
F-12
S o l e n o i d , Qu ci kCo u p el rV a l e v
6
F- 1 2
3 7
F-12
36
C-5
Solenoid, Ride Control #2
24
C-5 C-5
25
Solenoid, Self Level
E-5
24
S up pr es so r, A cr S ol en odi S el f Le ve l
D 5-
24
H-4
S w i cth E , ng ni eO l i Pr e s us er
1 4
G 1- 1
2 6
H- 5 G-4
299C: JSP1-UP
7
G 1-
S w i ct h , H yd ar ul ci F l iet r By p a s S w i cth T , e m p e ar ut er Co n tr o l
279C: MBT1-UP
289C: JMP1-UP
9
H 1-
S w i cth H , V A CL o w Pr ess u r e
Switch, Thermostat
272C: RED1360-UP
297C: GCP1190-UP
2 7
H-3
S w i ct h , HV AC Hi gh Pr es u s er Cu ot ut
262C: MST1860-UP
287C: MAS1290-UP
9
H 1- 2
Switch, HVAC Blower
256C: DWS1180-UP
277C: JWF1460-UP
24
Solenoid, Ride Control #3
Switch, A /C
246C: JAY2060-UP
36
E 5-
S o l e n o i d , RH Fo w r a r dP u mp S o le n o id , R H R ev P ump Solenoid, Ride Control #1
246C, 256C, 262C, and 272C Skid Steer Loader 277C, 287C, and 297C Multi-Terrain Loader 279C, 289C, and 299C Compact Track Loader Electrical System
24
G-5 G 5-
8
E-2
CONN 17 CONN 18
Volume 1 of 2: Engine
9 18
Machinelocationsare repeatedforcomponentslocated closetogether.
©2010Caterpillar,AllRightsReserved
PrintedinU.S.A.
Harness And Wire Electrical Schematic Symbols Symbols 3
Work L amp R e la y LHJoystickControlTrigger
26
B uck e t Ra si eS o l e n o i d
7
21
B ucket L ower Solenoid
1
14
13 22
12
T
10
Pressure Symbol
Temperature Symbol
16
5
Solenoid Ctrl A
11
S o lenoid Ctrl D C o n rt o l Sw tci h- B C o n rt ol Sw ti h c - H2
26
Continuous F lo w S witch
R 8 1 0
B R
Y L
H d y sr tL ef M t ot or Di er tcoi nS en o s r
R 91 4
O R
T h r ot lt e S i gn al
P U
Hy d r ts Le t f Mo ot S r p e e d Se Se n s o r
T9 0 1
Y L
MS SE cx tei rC o i Il n
8 92
BR
V MI S St ar tM od R i gh t( -) C A TD at aL ni k( - )
T 90 2
PK
25
15 38
28
P or po troi na l S w ti h c - An al og
H dy sr R ti g h M t o t o r Sp e dS e n o s r
8 34 8 3 5
8
2
9
17
20
4
M SS E xc ti er C oi l Ou t
8 93
GN
V MI S St ar t Mo d Ri gh t + ( ) CA T D aa t L ni k + ( )
Y 79 4
OR
E xp an de d CA N D aa t L ni k +
OR
CAT Data Link +
Y 795
GN
Expanded C AN Data Lin k -
94 5
BR
CAT D ata Link -
0
F ai u l e r De De sc ri pt o i n
1
D a t a v a ldi b u t b e l o w n o r m a l o p e r a toi n a l r a n g e . D a t a erra t i ,c i n t em r itte n t , o rni c o r r e ct.
3
V o lat g e a b o v e no r ma l o r sh o ret d h i g h.
4
V o lat g e b e l o w no r ma l o r sh o tr e d l o w.
5
C u r e nt b eol w n om r a l or o p en c i r uc i .t
6
Curren tabovenorm a l o r g r o u n d e d cric u i.t
7
Mechan i c a l s ytse m n o t r e s p ondingpro perly.
8
Abnorm alfrequen c y , p u les w i d t h , o r p e roi d .
9
A bn o m r al u pd at e.
10 11
F aliu er m o de n o t i d e n itfai bel . Badde vie corcom p o ne n.t
13
O u t o f ac lbi r at i on .
14
P a ar m et e r af iul r es .
15
P a ar m et e r af iul r es .
16
P a ar m et e r no t a va ial bel .
17
M o du l e n o trep sond i n g.
18
S e n os r s up pyl f a ul t .
19
C on di it on n ot m et .
20
P a ar m et e r af iul r es .
Switch(NormallyClosed ): Aswitchthatwill openataspecifiedpoint (temp,press,etc.). ): Nocircleindicatesthat thewirecannotbedisconnectedfromthecomponent.
19
Ground (Wired): Thisindicatesthatthecomponentis connectedtoagroundedwire.The groundedwireisfastenedtothe machine. Ground (Case): Thisindicatesthatthecomponentdoesnot haveawireconnectedto ground. Itisgroundedby beingfastenedtothemachine. Reed Switch: Aswitchwhosecontactsarecontrolledby amagnet. Amagnetclosesthe contactsofanormallyopen reedswitch;itopensthe contactsofanormallyclosed reedswitch.
31
Sender: Acomponentthatisused withatemperatureorpressuregauge.Thesender measuresthetemperatureorpressure. Itsresistancechangestogive anindicationto thegaugeofthe temperatur eorpressure.
30 T
35 36
Abno rma l r a et o f c h a n g e.
12
Switch (NormallyOpen): Aswitchthatwill closeata specifiedpoint(temp,press,etc.).The circleindicatesthatthe componenthasscrewterminalsandawirecan bedisconnectedfromit.
23
16
33
29
D a t a v a ldi b u t a b o v e n o r m a l o p e r a toi n a l r a n g e .
2
18
6
FailureModeIdentifiers(FMI)¹ FM I N o.
CircuitBreaker Symbol
Flow Symbol
Fuse: Acomponentinanelectricalcircuit thatwillopenthe circuitiftoomuch currentflows throughit.
24
S at tr Ai dP u l lIn Re al y
94 4
Level Symbol
Symbolsan d Definitions ions
S o l e n o i dC rt lB
27
Relay(MagneticSwitch ): Arelayis anelectricalcomponentthatisactivatedby electricity. ): Ithasa coilthatmakesan electromagnetwhencurrentflowsthroughit.The electromagnetcanopenorclosetheswitch partoftherelay.
34
13 37
Solenoid: Asolenoidis anelectricalcomponentthatisactivatedby electricity.Ithasa coilthatmakesan electromagnetwhencurrentflowsthroughit. The electromag net net canopenorclose avalveor moveapieceof metalthatcando work.
12
11 4
32
¹TheFMIisa diagnosticcodethatindicates whattypeof failurehasoccurred.
Harnessand WireSymbols
20
15 3
10
8 17
7 22
1 26 21
23
19
2
14
Deutsch connector: Typicalrepresentation ofaDeutsch connector.Theplugcontainsall socketsandthe receptaclecontainsallpins.
1 2
18
PartNumberfor ConnectorPlug
C-C4 AG-C3 130-6795 130-6795
22 23
HarnessIdentificationLetter(s): (A, B, C, ..., AA, AB, AC, ...) HarnessConnectorSerial izationCode:The"C"stands for"Connector"andthenumberindicateswhich connector in the harness. (C1, C2, C3, .....)
Socket
L-C12 3E-5179
AG-C4 111-7898
PartNumberFor ConnectorRecepticle
1
325-AG135 PK-14 Pin
Sure-Seal connector: Typicalrepresentation connector: Typicalrepresentation ofaSure-Sealconnector.The plugandreceptacle containbothpinsand sockets.
1 2
Wire,Cable,or HarnessAssemblyIdentification: IncludesHarnessIdentificatio nLettersandHarness ConnectorSerializ ationCodes
24
6
16
Magnetic Latch Solenoid: Amagneticlatchsolenoidis anelectricalcomponentthatis activatedbyelectricityandheld latchedbya permanentmagnet.Ithastwocoils(latch andunlatch) thatmakeelectromagnetwhencurrentflowsthroughthem.Italsohas aninternalswitchthatplaces thelatchcoil circuitopenatthe timethecoill atches.
9
25
5
5A
Receptacle PinorSocket Number
SingleWire Connector
9X-1123
Engine Component Locations
1 8 5-4254
Com ponent Description S o le n o id :
Auxiliary#1,Auxiliary #2, Bucket (Raise, Lower, Tilt Up, Tilt Down)
2.2 ±0.2
S o le n o id :
C- & C+ (High Flow)
S o le n o id :
Implement Shutoff
7.5 ±0.4 @20 ±5°C 6( 8°F ±41°F)
2 74 8- 0 4 4
S o l e n o i d :
Q u i k c Co up el rV a l e v
1 0 .3 ±0 ±0 6. @2 @2 5± 5° C( 7 F ° ±4 1 ° F )
2 77-8862
S o le n o id :
Demand Fan
S ol en oi d:
R di eC on rt ol #1 & Ri de Co nt or l# 2
¹ Atroomtemperature unlessotherwisenoted.
200-L32 BK-14 CircuitIdentification Number
W r i eC lo ro
OffMachineSwitch Specification Resistance O ( hms)¹
1 95-9700 2 5 2-4734
2 85 2- 19 5
2 Ground Connection
Machine Component & Connector Locations
Resistor,Senderand SolenoidSpecifications Part No.
10 ± 0.5
5 @ 20°C (68°F) 5 9. ± 0. 5@ 25 ± 5° C( 77 F ° ± 41 F ° )
Part No.
Function
134-04 04
Hydra ulicFie l tr B y p a s s
236-69 23
A / C P r e s u r e C uot u t ( H i g h )
149-63 71
A/CPresure(Low )
Actuate
Deactuate
Contact Position
276kPa (40.0psi)
207kPa (30.0psi)
NormallyOpen
275kPaMax¹ (40psi)
170 ±55 kPa (24.6±8psi)
NormallyOpen²
103.4 ±13.8 kPa (15±2psi)
34.5 ±7 kPa (5 ±1 psi)
NormallyOpen
RelatedElectricalServiceManuals Title K3 A A tl er na o t r:
¹Withincreasing pressuretheclosed conditioncanbe maintainedupto 2800kpa(405 psi),withdecreasingpre ssuretheclosed conditioncanbe maintained downto170 kpa(25psi). ² Contact postion at the contacts of the harness connector.
Fuse (5Amps) Component PartNumber
Plug Harnessidentificationcode: Thisexampleindicateswire 135inharness"AG".
E el ct ir cS at tr ni gM ot o r : Ma h c ni eC o n rt o l Sy ts e m :
FormNumber 2 39 -0 77 2 143-0539
S EN R5 84 1 S EN R3 82 8 K E N R 5 1 9
2 f o 1 L O V 3 0 6 6 6 e , 8 g a P R 6 3 N E K
) s e h c n i 5 3 x s e h c n i 8 4 : s n o i s n e m i D (
29
G-1
Relay, Start
CONN 2 CONN 3
Signal Groun d - Comm #3
60 7
BR
21 27
Plugs, Gl ow
E-12
8 8
H-7 H-12
T XD - C om m# 3
Y L BR
Rotary Beacon
OR
61 4
H-1 H-1
TXD - Comm #1
N 97 0 N973
PK
60 4 60 5
61 7
Motor, Co ndenser #1 Motor, Co ndenser #2
Radio, P r oduct L ink GPS
Schematic Location
1 19 26
Motor, Wa ter Pump
Volume1ConnectorLocation
8
I-8 H-5 D-14
Motor, F u e l Priming Pu m p
ConnectorNumber
17
F-1
Motor, S tarter
CONN 1
16
H-1
Indicator, Air Filter
Travel Right Solenoid (Front)
51 4
H-14
Fuse, Mai n Power Horn, Forward
8 V ol t DC S up pl y
12 4
12 7
14 15
Control, A/C Protection
Component
Machine Location
I-13 F-11
Control, Product Link
ComponentIdentifiers(CID¹) ModuleIdentifier(MID²) MachineControlSystem (MIDNo. 039)
Temperature Potentiometer Pos #2
CID
WH
Schematic Location
Component
D es c rp i it on
Control Circuits -C -Continued
A958
KENR8666-03 April2010
Volume1ComponentLocation
WireDescription Wire W ri e C o ol r Number
W r i eG ua e g
14
2 f o 1 L O V 3 0 6 6 6 e , 8 g a P R 6 3 N E K
) s e h c n i 5 3 x s e h c n i 8 4 : s n o i s n e m i D (
13
12
11
10
9
8
7
6
5
4
3
2
1
J
NOTET 200-T1BK-14 A572-T8PK-14 M906-T3BU-14 M907-T4GY-14 200-T5BK-14 200-T6BK-14 C460-T7BU-14 A571-T2PU-14
T-C1 W-C1 3E3388 1552264 1 200-W1BK-14 2 A752-W2BR-14 3 M906-W3BU-14 4 M907-W4GY-14 5 200-W5BK-14 6 M733-W11PK-14 7 C460-W10BU-14 8 A571-W12PU-14
CONN 8
FUSECOVER 267-2746
I
CBL-CC1RD-4
CBL-CC1RD-4
CBL-AA1RD-00
CBL-JJ1RD-00
1
POS
1
REAR DOOR
A752-W8BR-14 A752-W9BR-14 A752-W2BR-14
1 2 3 4 5 6 7 8
FRAMEGND "STUDSIZE1/2IN."
200-P48BK-14 200-P52BK-14 200-P53BK-14 A571-P49PU-14 A572-P55PK-14 C460-P54BU-14 M906-P50BU-14 M907-P51GY-14
I P-C21 AC-C7 1552273 3E3382
PLATFORM
124-P26GN-14 200-P36BK-14 125-P25OR-14 200-P82BK-14 E554-P64PK-18
2 3
LRRWORKLT 268-4071
304-E49WH-12
S
I G T E R M I NL AI S T H E F I E L D E X C I T A T IN O. B A T TR EY M U S T B E C O N N E C TD EF O R T U R N O N
CBL-AA1RD-00 109-E46RD-4
MOTOR
2
P769-P56YL-18 P770-P57WH-18 R914-P58OR-18
109-E46RD-4 304-E49WH-12
A B
OR BK
C
WH
GNDENG FLY.HSG
SNSRENGCOOL.TEMP 238-0112 USE6V9028SEALORING SIGNAL
2
GROUND
1
GND TAIL
BK WH
2 3
STOP
BU
4
327-P32PK-18 200-P33BK-18
LJ-C3 1552272 605-LJ1YL-18 200-LJ2BK-18 617-LJ5BR-18 604-LJ4OR-18
200-LJ8BK-18 200-LJ2BK-18
SWENGOILPRESS 327-0752
418-E5WH-18
30 RELAYSTART 115-1615
RD-18 RD-18
ACCOMPR CLUTCH 276-9875 3.7A 200-E36BK-18 E554-E9PK-18
86 85 87 87a
1 5 2 4 3
617-LJ6BR-18
CONN 7
RD BK
3 4
GN WH
321-H11BR-18
604-H2OR-18 604-H12OR-18 604-H9OR-18
E455-H14BR-18 605-H4YL-16 606-H7GY-16
SIGNAL-SP SIGNAL-DIR
1
2
K944-E30YL-18 H801-E31PU-18
2 3 4 5 6 7 8 10 11
P979-P22YL-18 H802-P39GY-18
2
1
K946-E10OR-18 H801-E8PU-18
SOLRHREVPUMP 278-8744
2
124-P26GN-14 125-P25OR-14 200-P11BK-14
124-P26GN-14 125-P25OR-14 200-P2BK-18 200-P11BK-14 200-P30BK-18 200-P33BK-18 200-P36BK-14 200-P41BK-14 321-P42BR-18 322-P69GY-14 327-P32PK-18 404-P1YL-18
321-H11BR-18 200-H6BK-18
1 2
469-P28GN-18
E-C3 1552269
451-E27BR-18
K947-E24YL-18 H801-E25PU-18
832-E18BR-18 833-E17GY-18
604-P43OR-18 1 2
SOLRHFWDPUMP 278-8744
1
SOLPARKBK 278-8743
A958-E11WH-18 H807-E12YL-18
835-E22PU-18
608-P60GN-14
(P/N278-8737) 2
617-P46BR-14
E-C28 1552269
E554-E9PK-18 H801-E8PU-18 H801-E25PU-18 H801-E31PU-18 H801-E29PU-18 H801-E58PU-18
618-P47YL-14
RRRWORKLT 268-4071 1
P981-E57PU-18 H807-E56YL-18
H-C5 1552269
VALVE2SP 252-4734 2A
2
1 2
H807-E12YL-18 327-E68PK-18 306-E51GN-18 308-E52YL-18 317-E1YL-18 403-E53GN-18 406-E54PU-18 430-E6BU-18
H808-E50WH-18 K943-E28OR-18 K944-E30YL-18
3 4 5 6
P-C2 2584171
7 8 9
1 2
10 11
418-E5WH-18 450-E26YL-18 451-E27BR-18
L987-E62WH-18 198-E55PK-16 832-E18BR-18 833-E17GY-18
P769-E13YL-18 P769-E19YL-18 P769-E14YL-18
13 14
17 18
5
606-H7GY-16 200-H10BK-16 618-H8YL-16 604-H2OR-18
1 2
BK
TAIL
15 16
YL
3 4
6 7 8 9 10 11
LAMPGPRHTAIL 258-0930 1.42A
19 20 21
12
P770-E15WH-18 P770-E20WH-18 P770-E16WH-18
26
15 16
CONNTOC-C3 CABHARN [LOCSH2C-15]
834-E23YL-18 835-E22PU-18 A958-E11WH-18
17 18 19
CONN 1
27 28
P981-E57PU-18
E
20 21
29 30
22 23
CONNTOC-C4 CABHARN [LOCSH2B-15]
31 32 33
24 25 26
CONN 2
E554-E9PK-18 H801-E58PU-18 H807-E56YL-18
34 35
H807-E12YL-18 K943-E28OR-18 K944-E30YL-18 K946-E10OR-18 P769-E14YL-18 P770-E16WH-18 K947-E24YL-18 L987-E62WH-18 P981-E57PU-18 H808-E50WH-18
38
GND
BK
2
39 40
TAIL STOP
WH BU
3 4
RT-C2 1552272
36 37
TURN
41 42
YL
1
606-RT1GY-18 200-RT2BK-18 618-RT4YL-18 604-RT3OR-18
45 46 47
27 28
RT-C1 3E3376
1
LAMPGPRHEAME 172-6490 3.17A
43 44
2 3 4
29 30
CONNTOK-C15 (LOCSH1B-10)
31 32 33
CONN 6
34 35 36 37 38
RH LAMP EXT HARN (ATCH)
P769-E19YL-18 P770-E20WH-18 833-E17GY-18 832-E18BR-18
1 2
43
GN
SIGNAL-SP
WH
SIGNAL-DIR
K-C4 1552252
SOLFUELSHUTDN 335-5734 109-E48RD-12 198-E55PK-16 L987-E62WH-18 384-E45BU-12
327-E68PK-18
86
2 4
85
3 1
4
CONNTOH-C1 5 R E A R D O O R H A R N6 [LOCSH1F-8] 7
87 87a
CONN 5
8 9 10
SOLCOLDSTADVANCE 335-5734
NOTEF 321-K7BR-18 200-K15BK-14 604-K28OR-18 605-K20YL-16 606-K16GY-16 608-K23GN-16 617-K17BR-16 618-K18YL-16
2 3
30
1 5
E455-K22BR-18
11 12
317-E1YL-18
SNSRENGSP E-C19 191-8303 1552269 110-200OHMS 451-E27BR-18 450-E26YL-18
1
SIGNAL-
2
SIGNAL+
K-C1 3E5179 1 2
P I N 2 I S P O S W I T H R E S PC ET T O P I N 1 A S F E R R OS UM E T A L APPROACHESSNSR TIP
3 4
CONNTOP-C13 PLATFORMHARN [LOCSH1F-8]
CONN 5 JUMPPOSTGND
5 6 7 8 9 10 11
NOTEK
NOTEF 321-K7BR-18 200-K21BK-14 604-K14OR-18 605-K9YL-16 606-K10GY-16 608-K23GN-16 617-K11BR-16 618-K12YL-16 619-K19GN-16 E455-K22BR-18
200-K21BK-14 200-K15BK-14
200-K5BK-18 2 00 -K 6 B K 18 200-K25BK-18 200-K31BK-18
321-K7BR-18
619-K4GN-18
YL-18 BK-18
4 5
BU-18
6
RD-18
604-K27OR-18 604-K29OR-18 604-K28OR-18 604-K14OR-18 605-K1YL-18 605-K30YL-18
606-K10GY-16 606-K16GY-16
606-K2GY-18 606-K24GY-18
606-K24GY-18 200-K25BK-18 618-K26YL-18 604-K27OR-18
1 2 3 4
617-K17BR-16 617-K11BR-16
617-K3BR-18 617-K32BR-18
K-C2 1552273 1 606-K2GY-18 2 200-K5BK-18 3 618-K13YL-18
618-K12YL-16 618-K18YL-16
618-K13YL-18 618-K26YL-18
619-K8GN-18
619-K19GN-16
619-K4GN-18 619-K8GN-18
608-K23GN-16
C
CONN 4
4
MJ-C1 NOTED 3E3376 P 7 6 9 - J M 1 Y L 1 8 P 7 0 - J M 2 W H 1 8 8 3 5 M 3 J P U - 1 8 8 3 4 M 4 J Y L - 1 8
NOTED P 7 6 9 - M J 1 Y L 1 8 P 7 0 - M J 2 W H 1 8 8 3 5 M J 3 P U - 1 8 8 3 4 M J 4 Y L - 1 8
MJ-C2 1552272 1 2 3
CONNECTSTO SNSRRMOTSP ANDSNSR LMOT
SP
7
4
2
6
10
5
9
200-AC25BK-14 200-AC6BK-14 200-AC4BK-14 200-AC7BK-14
CONN 18
517-HV6BU-14
A/CSW 266-0299
HV-C3 1287721 B 124-HV11GN-14 C 567-HV13BU-14 L 517-HV6BU-14 M 516-HV5GN-14 H 515-HV4GY-14
GN-16 BR-16 GY-16 GN-16 BU-16
1
L
SOLBUCKET RAISE 185-4254 14W
SOLBUCKET LOWER 185-4254 14W
1 2
S O L B U C K E T T IT LU P 185-4254 14W
M
MOTOR
1
H
517-AC23BU-14
4 3
520-AC10WH-18 520-AC11WH-18 520-AC18WH-18
124-B8GN-14 200-B6BK-14 200-B9BK-14 200-B10BK-14
124-B8GN-14
1
TO WATERVALVE 266-2432
2 3
200-B9BK-14 A523-B7PU-18
4 5
MOTOR
1
GN-18
2 3
BK-18 BU-18
CHASSISGND C O M P R C L UCTH +
4
RD-18
12VDC+
H
OUTPUT
CONN
S W P R E S S H I G H C U T OT U 236-6923 "CLOSED275-1750 kPa" 3 2 1
AC-C6 9X1054 1 125-AC1OR-14 5 520-AC11WH-18 2 200-AC5BK-18 4 514-AC8PU-14
E554-AC17PK-18
RLYCONDFANS 115-1615 30 86 85 87 87a
3
SWPRESSLOW 149-6371 AC-C8 " N / O B E L O W 3 4 . 5 k P " a 1552269 1 589-AC14GN-18 BK-18 2 597-AC15PU-18 BK-18
17
G
8
HEATER GP (ATCH) NOTEV
B-C3 7T6739 S O L B U C K E T T IT LD N 185-4254 14W
2
MOTOR
BK-14
6 7
520-B4WH-18 A509-B5PK-18
1 2
T
CONDITIONER GP (ATCH) HVAC (ATCH) HF-C2 1552269 G970-HF2BU-18 H807-HF1YL-18
200-P36BK-14 322-P69GY-14 779-P71WH-18 780-P72PU-18 976-P24OR-18 976-P79OR-18 976-P68OR-18
B-C1 AC-C9 3E3388 1552264 1 200-B6BK-14 200-AC25BK-14 2 A523-B7PU-18 A523-AC24PU-16 3 124-B8GN-14 124-AC13GN-14 4 515-B1GY-14 515-AC22GY-14 5 516-B2GN-14 516-AC21GN-14 6 517-B3BU-14 517-AC23BU-14 7 520-B4WH-18 200-AC9BK-18 8 A509-B5PK-18 A509-AC26PK-18
515-B1GY-14 516-B2GN-14 517-B3BU-14 520-B4WH-18 A509-B5PK-18 A523-B7PU-18
B-C2 2470281
BK-14
WH/RD-14
N/OBELOW LOWSETTING DEACTUATION. CLOSEDFROM LOWSETTING ACTUATION TOHIGH SETTINGDEACTUATION. OPENABOVE HIGHSETTING ACTUATION.
A509-AC26PK-18 A523-AC24PU-16
517-B3BU-14 515-B1GY-14 BLOWERAS 295-5440 200-B10BK-14
1
AC-C5 1684999 597-AC15PU-18 A A509-AC26PK-18 B
516-AC21GN-14
2 5
589-AC14GN-18
1 2
WH/RD-14
C O N DN ES E R M O T 2 287-7062
515-AC22GY-14
597-AC15PU-18
1 2
C O N DN ES E R M O T 1 287-7062
CONTAC PROTECTION AC-C4 212-2204 3E3376 589-AC14GN-18 200-AC16BK-18 E554-AC17PK-18 520-AC18WH-18
514-AC3PU-14 514-AC2PU-14 514-AC8PU-14
BLOWERSW 258-4272
520-HV7RD-16 567-HV13BU-14 A524-HV14BR-16 A526-HV2PK-16
HV-C2 1429117 200-HV9BK-14
P-C10 1552269 H846-P5PK-18 H803-P8BU-18
AC-C3 1552269 1 514-AC3PU-14 2 200-AC6BK-14
8 9 10 11
520-HV12RD-16
P-C9 1552269 H845-P3WH-18 H803-P4BU-18
AC-C2 1552269 1 514-AC2PU-14 2 200-AC4BK-14
200-AC9BK-18 200-AC27BK-14 200-AC16BK-18 200-AC5BK-18 200-AC12BK-14
516-HV5GN-14
G970-P12BU-18 200-P13BK-18 H807-P14YL-18 H758-P16BR-18 H759-P15OR-18
P-C3 HF-C1 1552273 3E3382 1 G970-HF2BU-18 2 200-HF8BK-18 3 H807-HF1YL-18 4 H758-HF3BR-18 5 H759-HF4OR-18
H758-HF3BR-18 200-HF5BK-18
G970-HF2BU-18 H758-HF3BR-18 H759-HF4OR-18 H807-HF1YL-18
6
CONN 12
A571-P49PU-14 A572-P55PK-14 C460-P54BU-14 E554-P64PK-18
1 2
SOLLSRHIGHFLOW 295-0046
1 2
SOLC+ 195-9700 13.3W
1 2
SOLC195-9700 13.3W
HF-C3 1552269
200-HF8BK-18 200-HF5BK-18 200-HF6BK-18
779-P71WH-18 780-P72PU-18 976-P68OR-18 A571-P49PU-14 A572-P55PK-14 C460-P54BU-14 E455-P17BR-18
F905-P81YL-18 F905-P80YL-18 F905-P34YL-18
HF-C4 1552269 H759-HF4OR-18 200-HF6BK-18
F
E554-P64PK-18 F905-P81YL-18 G970-P12BU-18 H746-P29YL-18
H802-P23GY-18 H802-P39GY-18 H802-P31GY-18 H802-P40GY-18
H758-P16BR-18 H759-P15OR-18 H802-P31GY-18 H802-P40GY-18 H803-P38BU-14 H807-P18YL-14 H845-P3WH-18 H846-P5PK-18 K927-P75BU-18 M906-P50BU-14 M907-P51GY-14 M927-P20GN-18 P769-P56YL-18 P770-P57WH-18 P831-P9BR-18 P832-P10WH-18 P978-P21GN-18 P979-P22YL-18 R914-P58OR-18
HIGH FLOW (ATCH)
MARKER
1
125-PW18OR-18 125-PW17OR-18 125-PW10OR-18
P-C25 CP-C3 1552267 3E3370 779-P71WH-18 780-P72PU-18 K927-P75BU-18
A
11 1
COILS-1
H807-P14YL-18 H807-P19YL-18 H807-P18YL-14
ROADING LAMP HARNESS (ATCH)
1
2
1
COILS-2
2
CP-C1 1552269 779-CP1WH-18 K927-CP2BU-18
P R O DC UT L I N K G P S R A D I O 263-9088
CP-C2 1552269 780-CP3PU-18 K927-CP4BU-18
K927-CP5BU-18
RTERM
RD-18
7 8
DTR DCD
9 10
LOGGERTXD LOGGERRXD
11 12
10 11 12
CONN
CONN
RD-18
1 2
RD-18
3 4
N979-PW7GN-18 N960-PW4OR-18 N957-PW3PK-18
28 29
Y795-PW8GN-18
30 31 32 33 34
R S - 22 3P O R T 1 - D C D R S - 22 3P O R T 1 - G N D
E
CANLOW(-)
35 36 37 38 39 40 41
F905-P34YL-18
43 44
200-P35BK-18
45 46
49
P-C28 1552269
SUPPRARCSOLSELFLVL 106-8704 MUR460
NOTEJ PW-C4 3E5179
F905-P80YL-18 976-P79OR-18 1 2
CONNTOC-C14 BACKOFCABHARN [LOCSH2I-15]
MARKER
976-P24OR-18 200-P37BK-18
3 4 5 6 7 8 9 10 11
(ATCH)
12
SH1G-12 SH1A-8 SH2I-15
200-RC5BK-18 200-RC8BK-18 200-RC7BK-18 200-RC6BK-18
P-C14 RC-C1 1552269 3E3364 1 976-RC1OR-18 2 200-RC5BK-18
CONN
ROADING
V R A O I S U
10
976-RC1OR-18 976-RC2OR-18 976-RC3OR-18 976-RC4OR-18
SH1F-12; SH1A-12 SH1C-12 S H2 G-3
P-C18 1552269
P-C17 1552269 1 H746-P29YL-18 2 H802-P31GY-18
R S - 22 3P O R T 1 - R X D R S - 22 3P O R T 1 - D T R
26 27
N973-PW6BR-18 N979-PW7GN-18
47 48
200-P35BK-18 976-P79OR-18 F905-P34YL-18 F905-P80YL-18
RHLAMPGPHEADPOSTURN 195-0189 60WHEADLT
2
23 24 25
N957-PW3PK-18 N959-PW13PK-18 N960-PW4OR-18 N963-PW12OR-18 N970-PW5YL-18 N973-PW6BR-18 N979-PW7GN-18 N981-PW14GN-18
15
21 22
42
LOC ATI ON
1
N960-PW4OR-18 N970-PW5YL-18
944-PW1OR-18 945-PW2BR-18
16
SOLRIDECONT1 274-8035 "12V20W"
469-P28GN-18 200-P30BK-18
SOLRIDECONT2 274-8035 "12V20W" SOLDEMANDFAN 277-8862
RC-C2 1552269 1
976-RC2OR-18 200-RC8BK-18
2
E
F
SH 2 B-6
G
S H1 F- 11
H
976-RC3OR-18 200-RC7BK-18
2
B
D
SH1B-11; SH1F-8
RC-C3 1552269 1
VALVE GROUP
NOT E A
ASSEMBLETERMINALS TOSTUD WIREPAIRS TOBE TWISTEDTOGETHER AT LEASTONETURNPER25mmWIRESTOBE TWISTEDARE: 450-YLAND 451-BR 892-BRAND 893-GN 944-ORAND 945-BR F711-GNAND F712-GY T901-YLAND T902-PK Y794-ORAND Y795-GN F O R M T L M A C H I NSE, U S E T W O J U M P E R HARNESSES,MJ F O R M A C H IE NS W I T H O U T W O RT KO O L S W 2 , I N S ET RW I R E A S . I N T O S W I T C H C O N N ET CO R ATPOSITIONS 2AND 3 I F R O A D I N G L A M P A TH CH A R N I S U S E D , C O N N K-C1TOP-C13ANDK-C4TOH-C1 IFFRDOORAUXHARNISUSED,REMOVE C H - C8 1A N D C O N N E C T C H - C 1 0 T O A - C 3 ; S T R A P R E C P A S . C H -1 C8 T O C H - C 1 0 F O R SERVRPR C O N NC ET R I N G T E R M I NL AT O F I L T E R G P MOUNTINGASSEMBLY
(P/N307-2275)
SOLRIDECONT3 274-8035 "12V20W" 200-P36BK-14
J
ASERIAL SERVCONN ISREQUIRED IFTHE M A C H I S O F F E R IGNA P R O D U T CL I N K R A D I O O N L YO -P T I O. NI N A P R O D UT CL I N K RADIO-ONLYOPTION THEPRODUCT LINK R A D I O H A RE NS S C O N N ET CS D I R E C TY LT O T H E M A C H H A R NS ES . A S E R I A L S E R V C A B L E C O N NC ET S B E T W EN ET H E S E R I A L S E R V C O N N ANDTHE DEALERTECHNICIAN PCTO ACCESS T H E P L 1 2 1 R A D I O D IE RC T L Y I N C A T ELECTRONICTECHNICIAN.
K
ATTACHNEGATIVE JUMPERCABLE TOENGINE LIFTINGEYE FORMACHINES WITHOUTBEACON SWITCH, I N S ET RW I R E A S . I N T O S W I T C H C O N N ET CO R ATPOSITIONS 2AND 3.
RC-C4 1552269 1
976-RC4OR-18 200-RC6BK-18
2
SH1C-2; S H 1 D - 2
VALVE GROUP
200-P11BK-14
(P/N307-2276)
GNDPLATF "M10STUD"
SH1B-15
RIDE CONT (ATCH)
NOTEA
PLATFORM
SH 2 B-3
M
SH1I-6; S H 1 I - 8
T
IFWORKTOOLWATERPUMPATCHISNOT U S E D C O N NC ET P - C 1 9 D I R E CL TY T O T - C 1
SH 1 D-2
U
I F P R O D U C T L I N K P L 1 2 1 S R A TH CI S U S E D R E M OE VD U S T C A P P L - C 4 , A N D C O N N E C T T O PL-C3TOPW-C3.
SH 1 F-4
V
T H E RO MS T A T I S I N C L UE DD I N H V A C T H E RO MS T A T I S N O T I N C L U DD EI N H E A T A T C H
Y794-PW9OR-18
50 51
CANHIGH(+)
125-PW10OR-18
52 53
BAT+
403-PW11GN-18
54 55
RTERM
56
125-PW18OR-18 200-PW20BK-18 308-PW22YL-18 403-PW24GN-18 944-PW1OR-18 945-PW2BR-18 Y795-PW8GN-18 Y794-PW9OR-18
57 58 59 60
N963-PW12OR-18 N959-PW13PK-18 N981-PW14GN-18 200-PW15BK-18
N981-PW14GN-18 N963-PW12OR-18 N959-PW13PK-18
PRODUCT LINK PL 321SR [GPS RADIO AND WORLDVIEW] [ATCH]
BK-18
19 20
Y794-PW9OR-18 Y795-PW8GN-18
CONN 14
PK-18
R S - 22 3P O R T 1 - T X D
16 17
P-C11 1552272 SOLSELFLVL 218-6858 -
CATDATALINK+ CATDATALINK-
14 15
403-PW23GN-18 403-PW24GN-18 403-PW11GN-18
8 9
N979-PL5GN-18 N960-PL6OR-18 N957-PL7PK-18
12 13
18
6 7
101-P27RD-4
S E N D E R F UL EL V L 271-2912
N957-PW3PK-18
5
N960-PL6OR-18 N979-PL5GN-18 N970-PL8YL-18 N973-PL9BR-18
7 8 9 10 11
N O T E U PL-C3 PW-C3 3E3364 1552269 1 N970-PL8YL-18 N970-PW5YL-18 2 N973-PL9BR-18 N973-PW6BR-18
SELF-LEVEL
CONN 6
944-PW1OR-18 945-PW2BR-18
308-PW21YL-18 308-PW22YL-18 308-PW16YL-18
PRODUCT LINK PL 121SR [GPS RADIO ONLY] [ATCH]
H802-P31GY-18 H746-P29YL-18
REAR DOOR
6
RX SIGNALGND
QUICK COUPLER (ATCH)
TURN
CONNECTSTO RT-C1 (LOCSH1B-10)
4 5
200-PW19BK-18 200-PW20BK-18 200-PW15BK-18
PL-C2 PW-C2 3E5179 1552252 1 125-PL1OR-18 125-PW17OR-18 2 200-PL2BK-18 200-PW19BK-18 3 308-PL3YL-18 308-PW21YL-18 4 403-PL4GN-18 403-PW23GN-18
CONN 3
4
MOTOR SPEED SNSR MTL JUMPER (ATCH)
4 5
NOTEJ CONNTOC-C14 BACKOFCABHARN [LOCSH2I-15]
PL-C1 1552252 125-PL1OR-18 200-PL2BK-18 308-PL3YL-18 403-PL4GN-18 N957-PL7PK-18
ROADING
YL-18 BK-18 WH-18 BU-18
2 3
TX LOGGERGND
VALVEQCPLR 274-8044 H845-P3WH-18 H846-P5PK-18 K927-P75BU-18 M906-P50BU-14 M907-P51GY-14 M927-P20GN-18 P769-P56YL-18 P770-P57WH-18 P831-P9BR-18 P832-P10WH-18 P978-P21GN-18 P979-P22YL-18 R914-P58OR-18
1
+BATTERY -BATTERY KEYSWITCH
CONN 7
5 6
2 3
6
779-CP1WH-18 780-CP3PU-18 K927-CP5BU-18
B C
CONN
H803-P6BU-18 H803-P8BU-18 H803-P7BU-18 H803-P4BU-18 H803-P38BU-14
P-C12 1275483
TOBACKOF CABHARN CONNC-C15 [LOCSH2D-15]
PRODUCTLINK CONTROL 262-1421
PW-C1 1607690
G970-P12BU-18 H758-P16BR-18 H759-P15OR-18
CONNECTSTO LAMPGPLHEAME 172-6490 (LOCSH1G-11)
4
K-C15 1552272 1 605-K30YL-18 2 200-K31BK-18 3 617-K32BR-18 4 604-K29OR-18
2 3
SOLA2 185-4254 14W
LHLAMPGPHEADPOSTURN 195-0190 60WHEADLT
K-C14 1552272
605-K9YL-16 605-K20YL-16
TURN
WH-18
E455-K22BR-18
1
SOLA1 185-4254 14W
1
2
K-C3 1552273 1 605-K1YL-18 2 2 00 -K 6 B K 18 3 617-K3BR-18
12
ENGINE
CONNECTSTO E-C13 (LOCSH1F-12) AND E-C14 (LOCSH1C-12)
1 2
1
1
3
THERMOSTATSW 119-9631
48
RLYCOLDSTART 115-1615
E-C12 9X1054
E-C6 2364701 317-E1YL-18
46 47
+8VRTN
SNSRRMOTSP
E-C7 2364701 1
44 45
+8VSPLY
RD BK
3 4
CONN 4 262-3764
200-E7BK-18 430-E6BU-18
327-E68PK-18
41 42
NOTED 1 2
1
7
200-P41BK-14 200-P33BK-18 200-P2BK-18 200-P30BK-18 200-P76BK-14 200-P13BK-18 200-P48BK-14 200-P52BK-14 200-P82BK-14
H846-P5PK-18 K927-P75BU-18 M927-P20GN-18 P769-P56YL-18 P770-P57WH-18 P831-P9BR-18 P832-P10WH-18 P978-P21GN-18 P979-P22YL-18 R914-P58OR-18
39 40
48
E-C14 1552272
237-7325 INDAIRFLTR 6WATT
E-C26 1761477 430-E6BU-18 200-E7BK-18
322-P69GY-14 E554-P64PK-18 F905-P81YL-18 124-P26GN-14 125-P25OR-14 608-P60GN-14 A571-P49PU-14 A572-P55PK-14 C460-P54BU-14 M906-P50BU-14 M907-P51GY-14 605-P44YL-14 606-P45GY-14 617-P46BR-14 618-P47YL-14 619-P65GN-14 G970-P12BU-18 H746-P29YL-18 H758-P16BR-18 H803-P38BU-14 H807-P18YL-14 H759-P15OR-18 H802-P40GY-18 H845-P3WH-18
13 14
22 23 24 25
321-P42BR-18 E455-P17BR-18 327-P32PK-18 404-P1YL-18 469-P28GN-18 604-P43OR-18 779-P71WH-18 780-P72PU-18 976-P68OR-18
3 4
H-C3 1552272
12
K946-E10OR-18 K947-E24YL-18
5 6
125-AC1OR-14
619-P65GN-14 608-H16GN-18 200-H18BK-18
1 2
E-C9 2584170
H807-E56YL-18
200-P35BK-18 200-P37BK-18 200-P70BK-14 200-P53BK-14 200-P76BK-14
605-P44YL-14 606-P45GY-14
VALVE GROUP
E-C4 1552269
834-E23YL-18
A958-E11WH-18
3 4
516-B2GN-14
H-C6 1552269
BK-18 BK-18
8
P-C8 1552269 P832-P10WH-18 H803-P7BU-18
(P/N278-8737)
430-E6BU-18 450-E26YL-18
520-HV7RD-16 567-HV13BU-14
P-C7 1552269 P831-P9BR-18 H803-P6BU-18
VALVE GROUP
ALARMBKUP 300-9546
A524-HV14BR-16
200-AC27BK-14 A523-AC24PU-16 124-AC19GN-14 515-AC22GY-14 516-AC21GN-14 517-AC23BU-14 520-AC10WH-18
1 2
200-HV9BK-14 200-HV8BK-16 200-HV1BK-14
S O L I M P S H U T OF 252-4734 13.3W
2
12
CONN 5
SOLLHFWDPUMP 278-8744
1
2 3
-
1 2
P978-P21GN-18 H802-P23GY-18
SIGNAL GROUND
SWHYDOFLTRBYP 134-0404
E-C5 1552269
4
P-C5 1552269
101-P27RD-4
308-E52YL-18 317-E1YL-18 327-E68PK-18 384-E45BU-12 403-E53GN-18 406-E54PU-18 418-E5WH-18
M927-P20GN-18 H807-P19YL-18
P-C13 NOTEF 1552252 321-P42BR-18 200-P41BK-14 604-P43OR-18 605-P44YL-14 606-P45GY-14 608-P60GN-14 617-P46BR-14 618-P47YL-14 619-P65GN-14 E455-P17BR-18
E-C1 1552269
306-E51GN-18
20YL
200-HV1BK-14 A526-HV2PK-16 124-HV3GN-14 515-HV4GY-14 516-HV5GN-14 517-HV6BU-14 520-HV7RD-16
124-HV10GN-16 124-HV11GN-14 124-HV3GN-14
200-HV8BK-16 124-HV10GN-16
12
617-H3BR-16 618-H8YL-16 E455-H14BR-18
SOLLHREVPUMP 278-8744
1
515-HV4GY-14
E455-H14BR-18
NOTEH 1
20BK 20RD
P-C4 1552269
200-H15BK-12
E-C2 1552269
HV-C4 2818198
SIGNAL
MOTOR
608-H16GN-18 608-H13GN-16 608-H17GN-18
GLOWPLUGS 107-3659 81.6AMAX/14.4A STEADYSTATE CONNECTIONPLATE 257-8390
304-E49WH-12
F
H-C1 3E5179
9
+8VSPLY
384-E45BU-12
K943-E28OR-18 H801-E29PU-18
321-H11BR-18 200-H5BK-14 604-H12OR-18 605-H4YL-16 606-H7GY-16 608-H13GN-16 617-H3BR-16 618-H8YL-16
+8VRTN
SNSRLMOTSP 262-3764
1 2
+8VOLTS GROUND
P-C6 1552269 NOTEF
198-E55PK-16
200-E7BK-18 200-E2BK-12 200-E36BK-18 200-E61BK-18
404-P1YL-18 200-P2BK-18
200-H10BK-16 200-H6BK-18 200-H15BK-12 200-H18BK-18 200-H5BK-14 200-H1BK-16 200-H19BK-18
LICENSELAMP 190-8962 0.63A
1 2
SNSRHYDOTEMP 264-4297 3K0360SEALORING
P-C1 1552269
NOTED 1 2
2
CONNTOH-C2 RRDOORHARN [LOCSH1H-11]
LICENSE LAMP HARN (EAME) (ATCH)
P769-E13YL-18 P770-E15WH-18 835-E22PU-18 834-E23YL-18
109-E47RD-12 109-E48RD-12 109-E60RD-8
LJ-C2 3E3376 6 5 0 L - 1 J YL 1 - 8 1 2 200-LJ3BK-18 3 617-LJ6BR-18 4 604-LJ4OR-18
1
PUMPGPFUELPRM 258-3442 4.5ASTATIC
617-LJ7BR-18 200-LJ8BK-18
E-C11 9X1054 109-E47RD-12 306-E51GN-18 H808-E50WH-18 304-E49WH-12
E-C13 1552272
G
617-LJ5BR-18 617-LJ7BR-18
304-E49WH-12 H808-E50WH-18 306-E51GN-18 109-E47RD-12
109-E46RD-4
200-LJ3BK-18
6 4 0 L - 4 J OR 1 - 8 605-LJ1YL-18
LAMPGPLHEAME 172-6490
200-E61BK-18 406-E54PU-18
1 2
YL
NOTEA
E-C16 1552269 E554-E9PK-18 200-E36BK-18
TURN
322-P69GY-14 200-P70BK-14
124-AC19GN-14 124-AC13GN-14 124-AC20GN-14
HV-C1 AC-C1 3E7990 1552252 TEMPCONTROLSW 258-4271
HORNFWD 164-9425 "12V4.5A"
P-C24 1552269
P-C16 1552269
200-E2BK-12
403-E53GN-18 308-E52YL-18
1
124-AC20GN-14 125-AC1OR-14 200-AC7BK-14 200-AC12BK-14 E554-AC17PK-18
RES27KOHM HV-C5 239-9368 1552269 1 A524-HV14BR-16 2 A526-HV2PK-16
STARTER 235-4963
ALTERNATOR 239-0772
E-C27 2304011
5
SNSRPOSTHRT 266-1467
P-C20 1552267
608-H17GN-18 200-H19BK-18
E-C8 1073134
406-E54PU-18 200-E61BK-18
3 4
HVAC CONT PANEL (ATCH)
H-C4 1552269 1
H
124-AC20GN-14 200-AC7BK-14 125-AC1OR-14 200-AC12BK-14 E554-AC17PK-18
1 2
605-H4YL-16 200-H1BK-16 617-H3BR-16 604-H9OR-18
1 BK YL
TAIL
MTRBAT
109-E46RD-4 109-E60RD-8
H
WATERPUMP 233-5719 "9.5AMAX"
LAMPGPLHTAIL 258-0930 1.42A
G
R
CONN 19
H-C2 1552272
NOTEA
T E R M . F O R W A RI NN G L I G H T
TERM. IG B+
CONNTO WORKTOOL
6
RTERM.ISTHEAC T A P F R O M S T A TR O
3
T O O L
G
CONN 13
4
1 2
E F
CONN 9
W-C3 1552269 1 200-W6BK-14 2 A752-W9BR-14
CBL-GG2BK-00 CBL-GG1BK-00
ENGINE
308-E52YL-18 403-E53GN-18
B C D
P-C19 NOTET 1552264 200-P48BK-14 A572-P55PK-14 M906-P50BU-14 M907-P51GY-14 200-P52BK-14 200-P53BK-14 C460-P54BU-14 A571-P49PU-14
NEG
BATTERY 230-6368 850CCA
JUMPPOSTBAT. 114-4516
200-W7BK-14 A 5 7 -2 8 W BR 1 - 4 M906-W3BU-14 M907-W4GY-14 200-W5BK-14 M733-W11PK-14 C460-W10BU-14 A571-W12PU-14
WKTL WATERPUMP (ATC H)
FUSEMAINPWR 235-1845 101-P27RD-4
100
W-C2 3E3388 200-W7BK-14 2 0 W - 6B K 4 1 200-W1BK-14 200-W5BK-14 A571-W12PU-14
C460-W10BU-14 M733-W11PK-14 M906-W3BU-14 M907-W4GY-14
FUSEHOLDER [INCLUDESBASE ANDCOVER] 267-2744
D
J
T-C2 1561460 A
200-T1BK-14 A571-T2PU-14 M906-T3BU-14 M907-T4GY-14 200-T5BK-14 200-T6BK-14 C460-T7BU-14 A572-T8PK-14
61 62 63 64 65
R S - 22 3P O R T 3 - T X D R S - 22 3P O R T 3 - R X D R S - 22 3P O R T 3 - G N D BAT-
66 67 68
308-PW16YL-18
69 70
KEYSWITCHRUN
D
C O M P OE NN T S A R E S H O W I N S TL AL E D O N A F U L L Y O P E R A B L E M AH CI N E W I T H T H E K E Y A N D E N G I N E O F F A N D T H E T R A N S MS IS I O N S H IT FE R I N N E U T R A L I D E NT
P AR T N .O
C HG
A AC B B C CH CP E G H HF HV K L L J M C M J P P L P W RC RT T W
258-4157 258-4147 266-2435 266-2436 2 8 5 4 - 0 12 258-4160 258-4191 2 8 5 4 - 16 258-4156 2 8 5 4 - 0 16 331-7171 289-8537 258-4131 2 5 8 4 1 0 1 2 3 9 9 - 4 04 2 1 3 6 0 6 5 2 58 -4 15 8 2 8 5 4 - 0 18 2 6 5 6 - 0 83 2 6 5 6 - 0 84 308-6423 315-9794 2 5 8 4 1 2 6 165-4894
01 02 02 02 0 5 03 02 0 6 01 0 3 00 02 05 0 5 0 1 0 3 0 2 0 4 0 3 0 1 01 00 0 3 02
AA AA G G G G J J
258-4117 258-4189 2 58 -4 11 9 2 5 8 4 1 8 8 2 5 8 4 1 8
03 02 0 2 0 1 0 4
C W A WL
2 58 -4 12 0 2 58 -4 19 6 165-0312
0 1 0 0 02
L O C AT IO N DESCRIPTION N OT E HARNESSAS. A-7 FRONTDOOR AUXILIARY ATCH G-1 AIRCONDITIONING ATCH F-4 HVAC ATCH F-3 HEATER ATCH B 1 - 0 B C A KO FC BA B-9 SEAT D-5 QCPLR ATCH C 1 - 2 E G N N I E A -5 FRONT D OOR ATCH G 8 R A E RD O R E -4 HIGH F LOW ATCH G-3 HVAC CONT PANEL ATCH B-9 ROADING ATCH E 3 I N S T R U M E N T A P N E L G 1 - 0 L C I N E E S LAM PH R A N A C T H E 2 M A C H I N E S C E U R I T Y S Y S T M E A T C H A -1 2 M OT OR S P E D SN SR J U P ME R D 8 P A L F T R O M D 2 P O R U D T C LIN KP L1 1 2 A C T H D 1 P O R U D T C LIN KP L3 1 2 A C T H B-5 RIDE CONTROL ATCH D-10 RH LAMP EXT HARN ATCH I 8 W O R K T O O L L F I T A R M I-6 TANK(WATER PUMP) ATCH CABLEAS. SH1 H-13 BAT.(+) TOSTARTER MOTOR SH1 H-13 POWER(BETA) S H 1 H -1 2 B AT . ( ) -T O MC AH AD N S TA RT ER G N S D S H 1 H 1 2 G R O U N D ( B E T ) A S H 1 H 1 4 B A T . ( + ) T O J M U P P O S T WIREAS. S H 1 H -9 B AT . ( ) +T O MI AN PR W F US E S H 2 D -1 0, F- 1 0 W I R E A S . ( TR MR ) SH2 G-3 WIREAS. (JUMPER)
SH2 SH1 SH 1 SH 1 S H2 SH 2 SH 1 S H1 SH 2 S H1 SH 1 SH 1 SH 1 S H 2 S H1 S H 2 S H 1 S H1 S H1 S H1 SH 1 SH 1 S H 1 SH1
C
WIREGROUPCOLORDESCRIPTIONS GROUNDCIRCUIT WIRESTHATHAVESYSTEMVOLTAGEWHENTHEKEYSWITCHISOFF WIRESTHATHAVESYSTEMVOLTAGEWHENTHEKEYSWITCHISON
B
B
STARTINGCIRCUIT START AIDCIRCUIT MACHINECONTROLCIRCUIT HEATERANDAIRCONDITIONERCIRCUIT TURNSIGNAL / WIPERWASHERCIRCUIT CAT DATALINK CANDATALINK RS-232/RS-485DATALINK
OTHERCOLORDESCRIPTIONS HIGHWAYS
COLORABBREVIATIONS ABBREV RD
A
S Y MB O L
COLOR
CIRCUITCONNECTED
RED
WH
WHITE
OR
ORANGE
YL
YELLOW
PK
PINK
BK
BLACK
GY
GRAY
PU
PURPLE
BR GN
BROWN GREEN
BU
BLUE
DES C RPI TO I N
CIRCUITNOTCONNECTE D ELECTRICALCONNE CTIONTO MACHINESTRUCTURE INTERNALELECTRI CALCONNECTION TOSURFACEOFCOMPONENT CONNECTOR H#
CIRCUITGROUPINGDESIGNATI ON ATCHWIRE, CABLE , COMPONENT SPLICE BLADE,SPADE,RINGORSCREW TERMINAL
A THIS SCHEMATICIS FORTHE 246C, 256C, 262C, AND272CSKIDSTEER LOADER, AND277C, 287C, AND297C MULTI-TERRAINLOADER, AND 279C, 289C, AND299C COMPACT TRACKLOADER VOLUME 1of 2:ENGINE PARTNUMBER:239-5275,CHANGE:02,VERSION:Componentsareshowninstal ledona fullyoperablemachine withthekey andengineoff, transmissionshifter
KENR8666-03 April2010
WireDescription Wire W ri e Co ol r Number
D es cr p i it on
Wire W ri e C oo l r Number
Power Circuits 101 102 105
RD BU BR
1 09
O R
110
G N
1 1 2
P U
Battery + ()
D es cr p i it on
Control Circuits -Continued 9 76
O R
R di eC on rt ol So el no di # 1
Head Lamp
A314
OR
Key Switch
A509
PK
A/CTheromostat Switch
A tl Ou pt ut (+ )T er m .
A523
PU
TemperaturePotentiometerPos#1
Cold Start Relay Ma ni Po w e rR e l a y Ou pt u t
A524 A 5 2 6
BR P K
Park Brake Switch
Warning H orn F ( orward)
A571
PU
Work L amp Relay
YL
L evel R ide R e lay
A572
PK
Work Tool S witch #1
1 1 8
G Y
R gi h t Re a r Wo kr ni gL a m p s
A 7 5 2
B R
E U I Sp a r eS pe e d Se n s o r n I p u t
120
YL
HVAC Blower
A771
PU
Float Switch
122
RD
Unswitched Power Out
A958
WH
Park Brake Solenoid
124
GN
S pare
OR
B attery +) (
126
PK
P ower Port
127
OR
Right Joystick
RD
B attery (+)
BU
Radio
128 129 1 3 4
C460
BU
C776
GN
E455 E554 E741 E847
YL GY
Hydraulic O il Filter Switched Control Power LH Joystick (Side)
Y L
B ack u p Al a r mS ot pL a mp s
BU
L eft Joystick
G N
H VA CC on de ns er Co m p er s or
E 91 7
W H
I m p el me nt Lo ck o u tS wict h o T G or un d N (O . ).
P K
F u e lP u mp So el n o di
E 9 1 8
G N
I m p el m e n t Lo k co u t Sw tci hTo Gr o u n d (N. C . )
191
WH BU
1 9 8
P K
200
BK
A ir Ride Seat S pare C o l dS at tr Re al yC o i l GroundCircuits Main C hassis
202
BK
X MSN Control
203
BK
Chassis D iagnostic
304
WH
3 06
GN
3 07
OR
BasicMachineCircuits
308
YL
F711 F712 F 7 3 8
G N
Implement Variable P ump Pressure
1 9 0
BR
GN GY W H
L HJ o ys i t k c (F or n t/ R e a r ) RH Joystick (Side)
CAN Data L ink + CAN Data L ink A tci e v Ri d e Co n t or S l w i ct h( N . C . )
F 7 39
GN
A citv eR i de C o n rt o l Sw i ct h( NO . .)
F763
WH
Creeper Switch # 1 (N.O.)
F764
GN
Creeper Switch #2 (N.C.)
F780
PK
Parking B ra ke Switch S up pr es se r Ar c So el no di S el f Le ve l
F 90 5
YL
S arter t Relay No. 1Output
G797
BU
Switch To Relay Coil
Sa t rt er R eal y C o i l To N e u t ar l St ar t S w i ct h
G 94 3
BU
I mp el me nt F u n c S eel ctS wti ch ( N O . ).
K e yS wi ct hT oV MI S Se ns or M o du el
G 94 4
YL
I mp el me nt F u nc S e el ct Sw ti ch N ( C . ).
Main Power Re ay l C oil
G970
B U
Proportional Valve Solenoid
3 17
Y L
S at tr Ai d R e al y o T S at tr Ai d S o el no di
G 98 2
P K
3 21
B R
B ac u k pA al m r L am pT ar ve l A l ar m
G 98 3
G N
Am r B ar S wict h( N. O . )
322
GY
Warning Horn (Forward)
G984
PK
Arm Bar Switch (N.O.)
I nt e r ol ck Ov er ir de Sw ti h c
327
PK
Sh utdown Sole noid
G985
PU
Seat Switch
3 3 1
O R
B ack u p Al a r mR e l a y Co l i
H7 4 6
Y L
F a n Co n tr o l So el n o di Po isit e v
365 384
YL BU
Fuel Pump Rela yTo Switch Relay To Glow P lugs MonitoringCircuits
403 4 04
GN Y L
A ternator l R ( ) Terminal O pr Mo nH d y O l i Te mp er at u r e
H758
B R
Solenoid Out #1
H759
OR
Solenoid O ut #2
H 7 9 1
G N
S wict hT oR el ay #1
H792 H 8 0 1
B R P U
Switch To Relay #2 P or po tr oi na l D r vi er Re ut nr ( 1 - 4)
4 06
P U
O pr Mo nC oo al nt Te m p er at ur e
H 8 0 2
G Y
P or po tr oi na l D r vi er Re ut nr ( 5 - 8)
4 1 0
W H
O pr Mo nF a u tl Al a r m
H8 0 3
B U
P or p o troi n a lDr vi e r Re ut nr (9 1- 2 )
4 18
W H
O pr Mo nO li P er s (. Hi gh Se tt ni g)
H 8 0 7
Y L
O n/ Of D f ir e v r R e ut nr ( 1 - 8)
430 450
BU YL
451
BR
469
GN
O p r Mon Air Filter Tach Sender (+) Tach Sender (-) Fuel Level Sender B+ AccessoryCircuits
500 501
BR
Wiper -Front P ( ark)
H845 H846 J753 K943
WH WH PK B U B U OR
On/Off Drive rReturn (9-15) Tilt Up Tilt Down Pattern Chan g e Switch 6 Q ui ck Co up el rV al ve Travel Left Solenoid R ( ear)
Wiper -Front L( ow)
K944
YL
Travel Left Solenoid F ( ront)
Washer -Front
K946
OR
Travel R ight Solenoid Rear) (
PU
Radio Speaker -Left
K947
W H
R ad oi S p e ak e r - Le tf (C om m o m)
L 80 4
W H
R HJ o y tsci k( Fr on /t R e ar )
511
BR
Radio Speaker -Right
L987
WH
Start A id S witch
5 1 2
G N
R a d oi Sp e a ek r- Ri g h (t C o m m o n )
M 7 3 3
506 508 5 09
GN
H808
K 92 7
PU
YL
P K
PU
A/C C ondensor Motor
M906
BU
Work o Tol R e lay # 1
GY
Blo wer M otor (Hi)
M907
GY
Work Tool R e lay #2
516
GN
Bl o wer Motor M ( edium)
M927
GN
Implement C u out t Valve
517
BU
Blo wer Motor (L ow)
N740
WH
CAN Term.
5 20
W H
O pr A C / Sw ti h c T o Th er m o st at F/ u s e
N 9 3 1
G Y
H d y ar ulci P um p Pr es u s er
536
WH
Hazard Switch To Turn Switch
537
PK
Turn Signal Switch To Flasher
BU
A/C Switch Jumper
N960
OR
TXD - Comm #1
G N
AC / Hi Pr es .sC ut ou t Sw ti h c T oC o m p r es so r
N 9 6 3
O R
T XD - C o m m #3
P U
AC / Hi Pr es .s Cu ot ut Sw T . o L o wP er s .S w. LightingCircuits
603 604
N 9 7 0 N973
Y L
D T R - Co mm #1
B R
DCD -Comm #1
PK
Rotary Beacon
N979
GN
Signal G round -Comm #1
OR
S top Lamp
N981
GN
Signal Ground - Comm #3
YL
Turn Lamp -Le ft
P769
YL
606
GY
Turn Lamp -Right
P770
WH
607
PK
Flood Lamp -Front
P796
OR
GN
Flood Lamp -Rear
P797
GN YL
P814
BU
Work L amp Relay LHJoystickControlTrigger
6 1 8
Y L
T a i /l P o isit o n La m p - R i g h t
P 8 3 1
B R
B u c ek R t a i es So el n o di
GN
Head Lamp L( ow)
P832
677
GN
B rake L amp R elay ControlCircuits
P978
GN
P 9 7 9
Y L
779
WH
Coupler Engage Solenoid
P981
P U
Solenoid Ctrl D
7 8 0
P U
C o u p l e r Di e s n g a g eS o l e n o i d
P 9 8 2
B U
C o n rt o l Swi ct h- B
P K
A ug er Bu ff e r B o x To Ne ut ar l S t ar tC o n rt ol
GY
Work T ool R elay # 2
8 32
B R
H yd sr R t gi ht Mo ot r D i er ctoi n S e ns or
8 3
G Y
8 34
Y L
H d y st r Ri g h M t o to rS p e e d Se n so r H yd sr L t ef tM ot o r Di er ctoi n S e ns or
P 98 4 P993 P 99 6 R8 1 0 R 9 1 4
Y L OR G N B R O R
A
F-6
10
H-14
3
0 04 1
8 V ol t DC S up pl y
Control -RH Joystick
D-6
12
0 0 70
P a kr i ng B r a ek S wti c h
Fuse - Roading
I-14
A
0091
T h r ottl e P o s i to n S e n s o r
Module - Power Fuse
D-10
A
0 0 96
F u elL e ve l S e n sor
Module -Power R elay # 1
0110
EngineCoo lantTem peratu re
Module -Power R elay # 2
0 1 90
E n gin e S p eedSe n s or
Motor - Front Wiper
0 2 62
5VoltD C S e ns o r Po w er S u pp l y
Port - Power
0 3 54
B u ck e t R a i se S oel n odi
D-10
A A
E-3
C
E-10
A
B u ck e t Lo w e rSole n odi
Relay - Cold Start
D-10
A
Rak c b ac k S ole no i d
Relay - Fuel Pump
E-10
A
0358
Imple mentPilo t P r e s s uer S u p p l y
R e l a y -H gi hFl o w (C Mi - nu )s
0 3 67
R i de C o nt r olS wti c h
Relay -High Flow C ( -Plus)
G-10
0490
Imple m e n t L o cok u t S w i thc
Relay - Le vel Ride
F 1- 0
A A
E-10
A
Relay - Stop Lamp
F-10
A
Relay - Work Tool #1
G-10
A
1007
Linkag eControlJo y s t ikcM a p p i n g S w itch
Relay - Work Tool #2
G-10
A
1 1 82
H i gh F l ow S oel n oid
Relay -Work Tool Trigger
F-10
A
1189
A u x i lai r y H y dar u l i c s L e ver
Resistor - CAN
I-14
A
0600
Hydra ulicOilTem peratu reSensor
0 6 81
P a kr i ng B r a ek S o l e n odi
1190
A r m r e ts/ S e a t S w i thc
Switch - Air Seat
1 4 82
1 0 V otlD C P ow e r Su p ply
Switch -Auxiliary Bleed Off
E-6
1 5 51
E n gin e D e man dFanSs yte m
Switch - Beacon
1703
L e f t D r iev P u m p F o r w a r d S o l e n odi
Switch -Creeper C ontro l
1704
L e f t D r iev P u m p R e v esr e S o l e n o id
3
I-3
C
C-3
B
D-3
B
Switch - F ront Work Lamps
H-3
C
1705
R i g h t D rvi e P u m p F o r w ardSoleno id
Switch - Hazard
C-3
B
1706
R i g h t D rvi e P u m p R e e v rseSole noid
S wict h- H dy ar ulci Qu ci kC ou pl er
F 3-
C
1 9 60
I g nitoi n K e y R e a de r
S w i ct h- m I p l e m e n L t o c ok u t
C 5-
1 1
2 2 11
A u xilai r y Va l ve # 1
Switch - Keystart
E-3
C
2 2 12
A u xilai r y Va l ve # 2
13
Switch -Limit A rmbar
F-8
2 4 71
C a b Do o r P o s iito n S w ith c
S wi ct h- O p e ra o t rI mp l e m en tL oc ko u t
H -3
2474
LeftJos ytickF orward /Reve rsePosio t nSenso r
Switch - P arking Brake
C
E-3
2475
R i g h t J osyt i c k F orward /Reve rsePosio t nSensor
Switch - P attern C han ge
2476
LeftJos ytickLe ft/R i g h t P o sti o n S e n o s r
Switch -Rear W ork L amps
H-3
2477
R i g h t J osyt i c k L e ft/R i g h t P o sti o n S e n o s r
Switch - R ide Control
D-3
C
F-3
C
C r ee p er M o de S wti c h
Switch - R oading Lamp
C-3
B
L e f t D r iev M o t o r S p e e d S e nsor#1
Switch - Seat
E-6
3
G-3
2686
L e f t D r iev M o t o r S p e e d S e nsor#2
Switch - Self Level
2687
R i g h t D rvi e M o t o r S p e d S e n s o r # 1
Switch - Turn Signal
2688
R i g h t D rvi e M o t o r S p e d S e n s o r # 2
Switch - W iper Washer
246C, 256C, 262C, and 272C Skid Steer Loader 277C, 287C, and 297C Multi-Terrain Loader 279C, 289C, and 299C Compact Track Loader Electrical System 246C: JAY2060-UP
256C: DWS1180-UP
262C: MST1860-UP
272C: RED1360-UP
277C: JWF1460-UP
287C: MAS1290-UP
297C: GCP1190-UP
279C: MBT1-UP
289C: JMP1-UP
299C: JSP1-UP
C B
2 6 69 2685
C
B-3
B
B-5
11
¹TheCIDi sadiagnostic codethatindicateswhich circuitisfaulty.
Switch - Work Tool # 1
G-3
C
²TheMID isadiagnostic codethatindicateswhich electroniccontrolmodule diagnosedthefault.
Switch - Work Tool # 2
G-3
C
Machinelocationsare repeatedforcomponents locatedclosetogether. A=Located insideofcab. B=Located insideofright console. C=Located insideofleft console.
Volume 2 of 2: Cab ©2010Caterpillar,AllRightsReserved
PrintedinU.S.A.
Harness And Wire Electrical Schematic Symbols Symbols
T
4
Bucket L ower Solenoid
1
C
Solenoid C trl A S o l e n o i dC rt lB
9 13 10
6
7
Pressure Symbol
5
Temperature Symbol
11
2
3
C on rt ol S w i ct h- H2
FM IN o .
Switch (NormallyOpen): Aswitchthatwill closeata specifiedpoint(temp,press,etc.).The circleindicatesthatthe componenthasscrewterminalsandawirecan bedisconnectedfromit.
A
FailureModeIdentifiers(FMI)¹
S at tr Ai dP ul Il nR e l a y
F ai ul re De sc ri pt oi n
P U
H d y st r Le tf Mo ot rS p e e d Se nso r
T 9 0 1
Y L
M S S Ex icet rCo l i n I
0
D a t a v a ldi b u t a b o v e n o r m a l o p e r a toi n a l r a n g e.
BR
V MI S St ar tM od R gi ht ( -) C AT D at aL ni k( -)
T 90 2
PK
M SS E xc ti er C o li O ut
1
D a t a v a ldi b u t b e l o w n o r m a l o p e r a toi n a l r a n g e.
8 93
GN
V MI S St ar t Mo d Ri gh t + ( )C A T Da a t L ni k + ( )
Y 79 4
OR
E xp an de d CA N Da at L ni k +
2
D a t a erra t i ,c i n t em r itte n t , o rni c o r r e ct.
944
OR
CAT Data L ink +
Y795
GN
Expanded C AN Data L ink -
3
V otl a ge a b o ev n o r m a l o r sh o tr e d hgi h .
945
BR
CAT Data Link -
4
V otl a ge b e l o w n om r a l or s h or t ed l o w.
5
C u r e nt b eol w n or m alo r o p e n c i cr uti .
6
Curren tabovenorm alorgrounde d c i r c u i.t
7
Mecha n i c a l s ytse m n o t r e s p ondingpro p e r l .y
8
Abnorm alfreque n c y , p u les w i d t h , o r p e roi d .
9
A bn or ma l up da et .
10
A b no r ma l r aet o f c ha n g e .
11
F aliu er m o de n o t i d e n itfai bel .
12
Badde vie corcom pone nt.
13
O u t of c ailb ar toi n .
14
P a ar m et e r af iul r es .
15
P a ar m et e r af iul r es .
16
P a ar m et e r no t a va ial bel .
17
M o du l e n o trep s o nd i n g .
18
S e ns o r su p ply f au l.t
19
C o nd iito n n o t m e.t
20 P a ar m et e r af iul r es . ¹TheFMIisa diagnosticcodethatindicates whattypeof failurehasoccurred.
CircuitBreaker Symbol
Flow Symbol
Fuse: Acomponentinanelectricalcircuit thatwillopenthe circuitiftoomuch currentflows throughit.
Continuous F low S witch P or po tr oi na l S w ti h c - An al og T hr ot lt eS gi na l
8 3 5 8 92
Level Symbol
Symbolsan d Definitions
8
12
B
Switch(NormallyClosed ): Aswitchthatwill openataspecifiedpoint (temp,press,etc.). Nocircleindicatesthat thewirecannotbedisconnectedfromthecomponent. Ground (Wired): Thisindicatesthatthecomponentis connectedtoagroundedwire.The groundedwireisfastenedtothe machine. Ground (Case): Thisindicatesthatthecomponentdoesnot haveawireconnectedto ground. Itisgroundedby beingfastenedtothemachine. Reed Switch: Aswitchwhosecontactsarecontrolledby amagnet. Amagnetclosesthe contactsofanormallyopen reedswitch;itopensthe contactsofanormallyclosed reedswitch. Sender: Acomponentthatisused withatemperatureorpressuregauge.Thesender measuresthetemperatureorpressure. Itsresistancechangestogive anindicationto thegaugeofthe temperatur eorpressure.
T
9
Relay(MagneticSwitch ): Arelayis anelectricalcomponentthatisactivatedby electricity. Ithasa coilthatmakesan electromagnetwhencurrentflowsthroughit.The electromagnetcanopenorclosetheswitch partoftherelay.
7
6
Solenoid: Asolenoidis anelectricalcomponentthatisactivatedby electricity.Ithasa coilthatmakesan electromagnetwhencurrentflowsthroughit. The electromag net canopenorclose avalveor moveapieceof metalthatcando work.
11
Magnetic Latch Solenoid: Amagneticlatchsolenoidis anelectricalcomponentthatis activatedbyelectricityandheld latchedbya permanentmagnet.Ithastwocoils(latch andunlatch) thatmakeelectromagnetwhencurrentflowsthroughthem.Italsohas aninternalswitchthatplaces thelatchcoil circuitopenatthe timethecoill atches.
5
4 A B
3
C
10
Harnessand WireSymbols 12
Deutsch connector: Typicalrepresentation ofaDeutsch connector.Theplugcontainsall socketsandthe receptaclecontainsallpins.
1 2
13 8
1
Sure-Seal connector: Typicalrepresentation ofaSure-Sealconnector.The plugandreceptacle containbothpinsand sockets.
1 2
HarnessIdentificationLetter(s): (A, B, C, ..., AA, AB, AC, ...)
Wire,Cable,or HarnessAssemblyIdentification: IncludesHarnessIdentificatio nLettersandHarness ConnectorSerializ ationCodes
2
PartNumberfor ConnectorPlug
C-C4 AG-C3 130-6795 130-6795
HarnessConnectorSerial izationCode:The"C"stands for"Connector"andthenumberindicateswhich connector in the harness. (C1, C2, C3, .....)
Socket
L-C12 3E-5179
AG-C4 111-7898
PartNumberFor ConnectorRecepticle
1
325-AG135 PK-14 Pin
5A
Receptacle PinorSocket Number
SingleWire Connector
9X-1123
2 Ground Connection
200-L32 BK-14 CircuitIdentification Number
W r i eC lo ro
Machine Component & Connector Locations
Volume2ConnectorLocation ConnectorNumber CONN 1
Schematic Location D-14
CONN 2
B-14
CONN 3
D-14
CONN 14
H-14
Machine Location 1 1 2 8
CONN 20
B-9
8
CONN 21
H-10
A
C ON N2 2 S er vi e c To ol Co nn ec ot r
H 1- 0
CONN 23
H-9
11
A
CONN 24
B-6
12
CONN 25
C-6
8
CONN 26
H-1
13
Theconnectorsshownin thischartare forharnessto harnessconnectors. Connectorsthatjoina harnesstoa componentaregenerally locatedator near thecomponent. SeetheComponent LocationChart.
Fuse (5Amps) Component PartNumber
Plug Harnessidentificationcode: Thisexampleindicateswire 135inharness"AG".
RelatedElectricalServiceManuals Title K3 A A tl er na o t r: E el ct ir cS at tr ni gM ot o r : Ma h c ni eC o n rt o l Sy ts e m :
FormNumber 2 39 -0 77 2 143-0539
S EN R5 84 1 S EN R3 82 8 K E N R 5 1 9
2 f o 2 L O V 3 0 6 6 6 e , 8 g a P R 6 3 N E K
) s e h c n i 5 3 x s e h c n i 8 4 : s n o i s n e m i D (
A
D-9 C-4
Relay - Ba ckup Alarm
0 3 55 0 3 57
Pattern C han ge S witch 1
P813
7 81
A
Control -L H Joystick Control - Machine
Pattern C han ge S witch 3
Pa rk/Tail/Dash/L amp Tail/Position Lamp -Left
782
E-10
Machine ECM T o Sensor Power 8V) (
PU BR
WH
8
G-10
Block - Fuse #2
Machine ECM T o Sensor Ground
614 617 619
7
B-7
Block - Fuse #1
RXD -Comm #3
605
608
Machine Location
F-3
Assembly - Bottle
RXD -Comm #1
GN
567 5 89 5 97
PK
Alarm - Action
W o r kTo o l Wa et rP u mp
514
N959
Component
Travel Right Solenoid F ( ront)
515
N957
CID
Computer Box o T H yd Solenoid V alve
135
E850
ComponentIdentifiers(CID¹) ModuleIdentifier(MID²) MachineControlSystem (MIDNo. 039 )
A/C C ontroller To A/C Compressor Clutch
1 80
196
E 8 4 8
BR PK
Schematic Location
Component
E el tcr o n ci Wa et rV a l e v Act u a ot r
RD
125
Volume2ComponentLocation
Temperature Potentiometer Pos #2
114 117
W r i eG ua e g
