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RENR9854-06 March 2015

773E Off-Highway Truck 775E Off-Highway Truck Electrical System 773E: BDA728-UP

775E: BEC468-UP











COMPONENT LOCATION Volume 1 of 2 - OPERATOR STATION Schematic Location

Machine Location

Breaker - Alternator

E -8

C

Monitor - CAT Monitoring System

B-5

E

Cigar Lighter

H-4

E

Monitor - TPMS Operator

F-2

A

Control - Integrated Braking Control

D-15

47

Motor - A/C Blower

D-1

B

Control - TPMS

C-13

91

Motor - LH Window

I-6

95

Control - XMSN / Chassis

D-13

48

Motor - Wiper

F-1

76

Converter - 24V / 12V

I-15

49

Outlet - Power +12V

C-11

F

Flasher

G-14

57

Outlet - Power +24V

A-8

84

Component

Component

Schematic Location

Machine Location

Fuse - A/C

F- 9

C

Relay - Backup Alarm

H-9

C

Fuse - Air Dryer

E -9

C

Relay - Headlamp

G- 9

C

Fuse - Backup Alarm

H-9

C

Relay - Hi Beam

G- 9

C

Fuse - Brake Cont

F- 9

C

Relay - Main Power

G-14

65

Fuse - Cigar Lighter

G- 9

C

Relay - Prelube

F-9

C

Fuse - Dome Lamp

H-9

C

Relay - Start Aid

E-9

C

Fuse - Eng PreLube

F- 9

C

Relay - Secondary Steer

E-9

C

Fuse - Engine Control

H-9

C

Relay - Service Lamp

F-9

C

Fuse - Gage Lamp

F- 9

C

Relay - Stop Lamp

H-9

C

Fuse - Headlamp

G- 9

C

Relay - Wiper

F-9

C

Fuse - Key Switch

H-9

C

Resistor - Blower Motor Dropping

D-1

B

Fuse - Monitor System

F- 9

C

Sensor - BK Air Pressure

B-14

52

Fuse - Payload

F- 9

C

Sensor - Hoist Lever Position

I-8

114

Fuse - Power Window

G- 9

C

Sensor - Shift Lever Position

C-8

103

Fuse - PWR Conv

H-9

C

Sensor - THRT Position

E-4

113

Fuse - Secondary Steering

E -9

C

Solenoid - ARC Cont

I-1

78

Fuse - Spare (Switched)

G-9, H-9

C

Solenoid - ARC Supply

I-2

79

Fuse - Spare (Un-Switched)

G-9, H-9

C

Solenoid - Horn Air

C-13

53

Fuse - Start AID

E -9

C

Suppressor - Horn Sol

C-14

53

Fuse - Turn Signal

H-9

C

Suppressor - Key Switch ARC

H-15

46

Fuse - Wiper

F- 9

C

Suppressor - Stop Lamp

H-13

77

Fuse - XMSN Control

F- 9

C

Switch - A/C ON

D-5

E

Ground - Cab

D-8

120

Switch - A/C Thermostat

D-1

B

Ground - Rear Cab Boss

B-13

51

Switch - ARC Pressure

H-1

80

Lamp - Body Up IND

H-4

E

Switch - Auto Retarder

D-4

E

Lamp - CAT Monitoring System Action

F- 4

E

Switch - Blower

E-5

E

Lamp - Dome

F- 2

A

Switch - Brake Light

G-14

41

Lamp - GN TPMS

I-14

58

Switch - CAT Monitoring Monitoring System Clear

E-8

C

Lamp - High Beam IND

H-5

E

Switch - CAT Monitoring System Mode

C-4

E

Lamp - LH Backlighting

F- 5

E

Switch - CAT Monitoring System Set

E-8

C

Lamp - LH Turn IND

H-4

E

Switch - Door

I-6

93

Lamp - RD TPMS

I-14

59

Switch - EXH Diverter

E-2

A

Lamp - Retarder

F- 5

E

Switch - Hazard

F-2

A

Lamp - RH Backlighting

F- 5

E

Switch - Headlamp

D-4

E

Lamp - RH Turn IND

F- 4

E

Switch - Horn

G- 4

E

Lamp - Secondary Steering

F- 4

E

Switch - Key Start

E-5

E

Lamp - Shift Lever Backlighting

B -8

104

Switch - Power Window

H-6

107











COMPONENT LOCATION Volume 2 of 2 - CHASSIS Schematic Location

Machine Location

Alarm - Backup

E-14

1

Alternator

E-3

H2

Battery- Primary 1

B-3

Battery- Primary 2

Schematic Location

Machine Location

Sensor - Engine Oil Pressure

E-8

H33

Sensor - Engine Oil Temperature

E-8

H33

4

Sensor - Engine Speed

G-8

H24

B-3

4

Sensor - Fuel Temperature

E-8

H33

Battery- Secondary 1

A-5

4

Sensor - LH Front Strut Pressure

I-6

7

Battery- Secondary 2

A-5

4

Sensor - LH Rear Strut Pressure

F-14

25

Bus Bar

I-7

5

Sensor - LH Wheel Speed

F-14

27

Control - Engine ECM

C-5

H6

Sensor - Primary Cam S/T

C-3

H33

Ground - Cab

I-8

7

Sensor - RH Front Strut Pressure

A-5

30

Ground - Engine

F- 9

H18

Sensor - RH Rear Strut Pressure

D-14

32

Ground - Engine (Starter)

C-8

H19

Sensor - RH Wheel Speed

D-14

29

Ground - Engine ECM

F-7

H17

Sensor - Secondary Cam S/T

G-4

H33

Ground - Frame

I-8

7

Sensor - T /C Temp

G-10

H34

Ground - Frame (Engine)

G-4

H15

Sensor - Turbo Inlet Pressure

E-8

H11

Lamp - LH Backup

E-15

25

Sensor - Turbo Outlet Pressure

D-3

H12

Lamp - LH High Beam Headlamp

I-1

16

Sensor- Injection Actuation Pressure

C-7

H10

Lamp - LH Low Beam Headlamp

I-1

16

Sensor- T/C Output Speed

G-9

37

Lamp - LH Park/Turn

I-1

16

Sensor- TOS Speed

D-12

19

Lamp - LH RR Park Turn

F-15

25

Solenoid - A/C Clutch

G-3

H35

Lamp - LH Stop Tail Tail

F-15

25

Solenoid - Injector #1,#3,#5,#7,#9,#11

F- 4

40

Lamp - Machine Lockout

B-1

45

Solenoid - Injector #2,#4,#6,#8,#10,#12

D-4

40

Lamp - RH Backup

E-15

32

Solenoid - Down Shift

D-12

36

Lamp - RH GN TPMS

A-3

14

Solenoid - Exhaust Diverter

B-8

24

Lamp - RH High Beam Headlamp

B-1

45

Solenoid - Fan

G-2

73

Lamp - RH Low Beam Headlamp

B-1

45

Solenoid - Lockup Clutch

G-10

37

Lamp - RH Park/Turn

B-1

45

Solenoid - Lower

B-11

36

Lamp - RH RD TPMS

A-3

14

Solenoid - Raise

B-11

39

Lamp - RH RR Park Turn

D-15

32

Solenoid - Start Aid

G-8

23

Lamp - RH Stop Tail Tail

D-15

32

Solenoid - TCS 4 way

A-10

26

Motor - Sec Steer Evac Pump

I-5

34

Solenoid - TCS Proportional

A-10

26

Motor - Secondary Starter

C-8

H13

Solenoid - Up Shift

D-13

36

Motor - Starter

G-8

H9

Switch - A/C Refrigerant Pressure

G-3

H35

Motor - Windshield Washer

F- 8

H8

Switch - Air Dryer

A-6

43

Receptacle - Aux Start

I-3

H16

Switch - BK Overstroke

A-5

43

Relay - Sec Steer Evac Prelube

I-5

24

Switch - Coolant Flow

C-2

H23

Relay - Secondary Start

B-6

28

Switch - Disconnect

C-1

45

Relay - Start

I-6

7

Switch - Ground Level Shutdown

D-1

42

Sender - Fuel Level

I-9

18

Switch - Machine Lockout

C-1

45

Sensor - Atmospheric Pressure

E-8

20

Switch - Sec Steer Pressure

I-1

16

Component

Component











CONNECTOR LOCATION Volume 1 of 2 - OPERATOR STATION Schematic

Machine

Location

Location

CONN 1

F-15

86

CONN 2

G-15

60

CONN 3

H-15

92

CONN 4

I-15

92

CONN 5

A-14

101

CONN 6

C-14

71

CONN 7

C-14

71

CONN 8

F-14

121

CONN 9

A-13

105

CONN 10

A-12

99

CONN 11

A-11 A-1 1

106

CONN 12

C-11

70

CONN 13

D-11

120

CONN 14

G-11

96

CONN 15

H-11

96

CONN 16

I-11

96

CONN 17

A-10

98

CONN 18

A-9

111

CONN 19 Payload Download Port

D-8

F

CONN 20 Service Tool Tool

D-8

F

CONN 21

A-7

115

CONN 22

I-7

117

CONN 23

F-6

E

CONN 24

I-4

118

CONN 25

D-2

112

CONN 26

G-2

116

CONN 27

H2

116

Connector Number











CONNECTOR LOCATION Volume 2 of 2 - CHASSIS Schematic

Machine

Location

Location

CONN 5

I-15

H101

CONN 9

I-14

H105

CONN 10

I-12

H99

CONN 11

I-11

H106

CONN 17

I-13

H98

CONN 18

I-11

H111

CONN 28

H-1

110

CONN 29

H-2

110

CONN 30

I-15

10

CONN 31

D-14

88

CONN 32

F-14

89

CONN 33

C-12

22

CONN 34

G-12

90

CONN 35

G-12

90

CONN 36

B-8

24

CONN 37

G-8

23

CONN 38

I-8

7

CONN 39

A-6

17

CONN 40

D-7

H17

CONN 41

E-6

H18

CONN 42

F-6

93

CONN 43

I-9

40

CONN 44

D-4

40

CONN 45

D-4

40

CONN 46

D-4

40

CONN 47

F-4

40

CONN 48

F-4

40

CONN 49

F-4

40

CONN 50

G-3

H33

CONN 51

E-3

H1

CONN 52

F-2

H1

CONN 53

G2

H35

Connector Number













CID / MID / FMI Volume 1 of 2 - OPERATOR STATION Page 1 of 2 Component Identifiers (CID¹) Module Identifier (MID²) XMSN / Chassis Control System (MID No. 027) CID

Component

0168

System Voltage

0190

Eng Speed Sensor Signal

0248

CAT Datalink

0269

Sensor Power Supply

0420

Failure Mode Identifiers (FMI)¹ FMI No.

Failure Description

0

Data vali valid d bu but ab above norm ormal op operati ratio onal ra range.

1

Data vali valid d bu but be below low no norma rmal op operatio tional ra range.

2

Data erra rratic, ic, int intermit rmitte ten nt, or inco incorrrect rect..

Relay (Secondary Steering)

3

Voltage above normal or shorted high.

0444

Start Relay

4

Voltage below normal or shorted low.

0562

Caterpillar Mo Monitoring Sy System

5

Current bel ow ow normal or open circuit.

0590

Eng Electronic Control Module

6

Curre rrent above ove normal or ground unded circ circu uit. it.

0627

Parking Brake Press Switch

7

Mecha chanica ical sy syste stem not re respo sponding ing pr properly rly.

0700

Transmission Gear Sensor

8

Abn Abnormal fr frequency, cy, pu pulse lse wid widtth, or or pe perio riod.

0701

Speed Se Sensor (T (Transmission Ou Output)

9

Abnormal update.

0702

Transmission Position Sensor

10

Abnormal rate of change.

11

Failure mode no not id identifiable.

0704

Pressure Switch (Service Brake)

12

Bad device or component.

0706

Electronic Co Control (B (Body Up Up Sw Switch)

13

Out of calibration.

0707

Solenoid Valve (Upshift)

14

Parameter failures.

0708

Solenoid Valve (Downshift)

15

Parameter failures.

0709

Solenoid Va Valve (L (Lockup Cl Clutch)

16

Parameter not available.

0718 718

Engin ngine e And And Transm ansmis issi sion on Outpu utputt Spee Speed d Sens Senso ors

17

Module not responding.

0724

Solenoid Valve (Body Raise)

18

Sensor supply fault.

0725

Solenoid Valve (Body Lower)

19

Condition not met.

0773

Rotary Position Sensor

20

Parameter failures.

0967

Machine Application

1236

Body Up Indicator Lamp

1326

L

ti

C d

¹The FMI is a diagnostic code that indicates what type of failure has occurred.











CID / MID / FMI Volume 1 of 2 - OPERATOR STATION Page 2 of 2 Component Identifiers (CID¹) Module Identifier (MID²) Brake Control System (MID No. 116) CID

Component

0084

Speed Sensor (Ground)

0091

Position Sensor (Throttle)

0168

Electrical System Voltage

0190

Machine Codes Sales Model

Machine Code

775E Tier II

51

773E Tier II

52

Monitoring System Service Modes Service Mode

Number

Harness Code

1

Speed Sensor (Engine)

Numeric Readout

2

0248

CAT Datalink

Service

3

0269

Sensor Power Supply

Tattletale

4

0296 0296

Elct Elctro roni nic c Cont Contro roll Mod Modul ule e (Tra (Trans nsmi miss ssio ion n / Chas Chassi sis s ECM ECM))

Units

5

0541

P re ressure Sensor (Differential Oil )

Permanent Load Count

6

0590

E le lectronic Control Module (Engine)

Calibration (Transmission Control)

7

0689

Sole Solen noid Valve alve (Lef (Leftt Rea Rearr Tract ractio ion n Co Contro ntrol) l)

0690

Sole Solen noid Valve alve (Rig (Righ ht Rea Rearr Tra Tract ctio ion n Co Contro ntrol) l)

0700

P os osi titi on on Sensor (Transmis si sion Gear)

0701

S pe peed Sensor (Transmissi on on Output)

0702

Posi Posittion ion Sen Sensor sor (Tra (Trans nsm missi issio on Shif Shiftt Leve ever)

0704

Pressure Switch (Service Brake)

0710

Solenoid Valve (Auto Retard Supply)

0711

S ol olenoi d Valve (Auto Retard Control)

0712

Lamp (Retarder Indicator)

0713

Rocker Switch (Auto Retarder On/Off)

0714

Pressure Switch (Auto Retarder)

0715

Pressure Switch (Retarder)

Monitoring System Operation Modes Operation Mode

Number

Service Meter

1

Odometer

2

Tachometer

3

Resettable Load Counter

4

Diagnostic Scrolling

5

Truck Payload Measurement System Diag. Code

Failure Description

F01

Suspe spensio sion Cyl Cylin ind der (L (Left Fro Front) Inco Incorr rrec ectt Ch Charge rge

F02

Suspe spensio sion Cyl Cylin ind der (Ri (Right ght Fro Fron nt) Inc Incorre orrect ct Char Charg ge

F03

Suspe spensio sion Cyl Cylin ind der (L (Left Rear Rear)) In Incorr corre ect Char Charg ge











CID / MID / FMI Volume 2 of 2 - CHASSIS

Component Identifiers (CID¹) Module Identifier (MID²) Engine Control System (MID No. 036)

Event Codes Engine Control Event Code

CID

Condition

Component

High Altitude De Derate

0001

Injector Cylinder 1

E0 17 17

Hi gh gh En En gi gin e Coo la la nt nt Te mp mp er er at at ur ur e Wa rn rni ng ng

0002

Injector Cylinder 2

E025

High I nl nlet Air Temperature De Derate

0003

Injector Cylinder 3

0004

Injector Cylinder 4

0005

Injector Cylinder 5

0006

Injector Cylinder 6

0007

Injector Cylinder 7

0008

Injector Cylinder 8

0009

Injector Cylinder 9

0010

Injector Cylinder 10

0011


0012


0042 042

Injec njecttion ion Ac Actuat tuatiion Pr Pressu essurre Cont Contro roll Val Valve ve

0091

Throttle Se Sensor Ou Output

0100

Oil Pressure Signal

E009

E027

High In Inlet Air Temperat ur ure Wa Warning

E035

Loss Of Coolant Flow Warning

E100

Low En Engine Oi Oil Pr Pressure Wa Warning

E164

High Injector Actuation Pressure

E190

Engine Overspeed Warning

E265

User Defined Shutdown

E272

Inlet Air Re Restriction Wa Warning

0110

Coolant Temperature

0164

Injection Ac Actuation P re ressure S ig ignal

0168

Battery Voltage

Dat a v al al id id b ut ut ab ov ov e no rm rma l op er er at at io io na na l r an an ge ge .

0172

Inlet Air Manifold Temperatue

Dat a v al al id id b ut ut be lo lo w no rm rm al al op er er at at io ion al al r an an ge ge .

0174

Fuel Temperature Signal

2

Dat a erratic, intermitt en ent, or incor re rect.

0175

Oil Temp Signal

3

Voltage above normal or shorted high.

0190

Engine RPM Signal

4

Voltage below normal or shorted low.

0248

CAT Datalink

5

Current below normal or open circuit.

0253

Personality Module Mi Mismatch

6

Current above normal or grounded circuit .

0254

ECM

7

Mechanical sy syst em em no not re responding pr properly.

0261

Timing Calibration

8

Ab

Failure Mode Identifiers (FMI)¹ FMI No. 0 1

Failure Description

lf

l

idt h

i d











WIRE DESCRIPTION Volume 2 of 2 - CHASSIS Page 1 of 3 Wire Wire Color Number

Description

Wire Number

Wire Color

Power Circuits

Description

Control Circuits (Continued)

101

RD

Bat (+) (Not Application Specific)

723

OR

XMSN Gear Code 3

102

BU

Hd Lmp

724

YL

XMSN Gear Code 4

103

YL

Dome Lamp

725

GN

XMSN Gear Code 5

105

BR

Key Sw

726

BU

XMSN Gear Code 6

109

OR

Alt Output (+) Term.

727

GN

Suppl Ster Motor Relay Suppl Ster Cont SW

112

PU

Main Power Rly Output

728

BU

113

OR

Opr Mon Panel VMIS B+ Switched

767

WH

AETA Pickup Power

117

YL

Power Converter

769

BU

Wheel Speed Pickup Left

119

PK

Wiper

770

GN

Wheel Speed Pickup Right

120

YL

Power Converter

773

GY

AETA Servo Valve

121

YL

Back Alarm To Lamp

774

YL

AETA Sol - Left

122

BU

Air Dryer

775

BR

AETA Sol - Right

123

WH

Gage Lamps

799

WH

Sensor Power

124

GN

A/C

A700

OR

Digital Snsr Pwr(+8V)

126

PK

XMSN Ctrl

A701

GY

Injector #1

129

BU

Cigar Lighter

A702

PU

Injector #2

135

BU

Converter +12V Switched Output

A703

BR

Injector #3

136

GN

Secondary Steer

A704

GN

Injector #4

137

OR

Secondary Steer Motor Fuse

A705

BU

Injector #5

138

GN

Auto Lube Pump To Payload Mon

A706

GY

Injector #6

140

BU

Engine Pre-Lube

A707

PU

Injector #7 Injector #8

141

PK

Spare

A708

BR

147

PU

Start Aid

A709

OR

Injector #9

150

RD

Engine Control

A710

GY

Injector #10

173

YL

Turn Signal

A711

PU

Injector #11

176

OR

Brake Control

A712

BR

Injector #12

185

YL

Turbo Outlet Press

Power Window

A746

PK

Ground Circuits

A747

GY

Atmospheric Press Press

Main Chassis

A751

YL

After Cooler Temp

200

BK

201

BK

Operator Monitor Return

E707

GN

VMIS Display +V

202

BK

XMSN Ctrl

E708

PK

VMIS Display Clock

229

BK

Engine Control

E735

PU

Tack/Serv Mtr/Odometer

231

BK

XMSN Gear Switch

E750

PU

Body Position Sensor Signal











WIRE DESCRIPTION Volume 2 of 2 - CHASSIS Page 2 of 3 Wire Wire Color Number

Description

Monitoring Circuits

Wire Wire Color Number

Description

Control Circuits (Continued) F713

OR

Left Turbo Inlet Press

F714

PK

Right Turbo Inlet Press

403

GN

Alternator (R) Term.

408

WH

Opr Mon System Air Press.

F715

PU

Shtdwn (No)(App Spfc)

410

WH

Opr Mon Action Alarm

F716

WH

Shtdwn (Nc)(App Spfc)

411

PK

Opr Mon Master

F717

YL

SW 4 (App Specific)

412

BU

Opr Mon Cool Flw/Ds2

F718

BU

SW 5 (App Specific)

417

GY

Primary Ster SW

F719

BR

SW 6/1 (App Specific)

426

BR

Opr Mon Power Train Oil Filter

F720

GN

SW 8/3 (App Specific)

446

PU

Brake Oil Temp Gage

F721

GY

SW 9/4 (App specific)

447

PK

Fuel Level Gage

F722

OR

S W 10/5(App Specific)

454

GN

Retarder Indicator Lamp

F723

PK

TDC Probe +

462

YL

Secondary Steer Motor Indicator

F724

PU

TDC Probe -

472

OR

Parking Brake SW To Overstroke SW

F725

WH

Fuel Press (App Spfc)

481

GN

Converter Temp SW To Brake Oil Temp SW

F726

YL

Injector Common 1 & 3

C413

YL

VMIS Display Data

F727

BU


C414

BU

VMIS Display Load

F728

BR


H428

GY

Left Rear Brake Oil Pressure

F729

GN


H429

BU

Right Rear Brake Oil Pressure

F730

GY


H430

BU

Body Up Indicator

F731

OR


H453

GY

Service Lamp Relay Accessory Circuits

F732

PK

Bakup Cmsft Spd/Tmg

F795

OR

Brake Oil Temperature Body Raise Sol

500

BR

Wiper - Front (Park)

G704

YL

501

GN

Wiper - Front (Low)

G705

GN

Body Lower Sol

502

OR

Wiper - Front (HI)

H710

PK

Impl Cont Lift Lever Position

506

PU

Washer - Front

J764

BR

Switch/Sensor Return #1

508

PU

Radio Speaker - Left

J765

BU


509

WH

Radio Speaker - Left (Common)

J766

PU


511

BR

Radio Speaker - Right

J767

GY


512

GN

Radio Speaker - Right (Common)

K748

OR

Supplemental Steer Motor Relay

513

OR

A/C Compressor/Refrigerant Pressure SW

M728

WH

Exhaust Diverter Switch

515

GY

Blower Motor (HI)

818

BR

Serial Data (Transmit)

516

GN

Blower Motor (Medium)

819

GY

Serial Data (Receive)

517

BU

Blower Motor (Low)

820

BU

Transmit Key

518

OR

Hazard Flasher To SW

858

GY

Payload Mon Right Front Sensor

520

WH

Opr A/C SW To Thermostat/Fuse

859

YL

Payload Mon Left Front Sensor

521

YL

A/C SW To Refrigerant SW

860

PK

Payload Mon Right Rear Sensor













WIRE DESCRIPTION Volume 2 of 2 - CHASSIS Page 3 of 3


Description


Description

Control Circuits (Continued) Control Circuits 700

PK

AETA Test SW

K952

BR

Sol Return 3

K985

BR

Auto Retard On SW

703

BU

XMSN Up Sol

K986

PK

Auto Retard Off SW

704

GY

XMSN Down Sol

K988

WH

Auto Retard Air Cont Valve

705

PK

XMSN Lockup Clutch Sol Basic

K989

BU

Auto Retard AIr Supply Valve

706

BR

XMSN Retarder SW

K991

OR

Auto Retard Press SW

707

PU

XMSN Bed Raise SW

K992

PU

Auto Retard Manual Retard SW

709

OR

Sensor Power Supply

L910

PK

Torque Converter Output Speed +

710

GN

XMSN Speed Pickup Signal

L911

YL

T/C Output Speed -

711

BR

XMSN Lever Code 1

L912

WH

Engine Speed +

712

WH

XMSN Lever Code 2

L913

OR

Engine Speed -

713

OR

XMSN Lever Code 3

M901

YL

Aux Lamp Driver 1

714

YL

XMSN Lever Code 4

T749

YL

Secondary Steer Pressure Switch











SPECIFICATIONS AND RELATED MANUALS Volume 1 of 2 - OPERATOR STATION

Related Electrical Service Manuals Title

Form Number

Alternator:

SENR2082

Caterpilla Caterpillarr Monitoring Monitoring System: 1833561 1833561

SENR6717

Engine Engine ECM: ECM: 105612 1056122 2

SEBP3401

Integrated Braking Control: 2005373

RENR1503

Starter: 6V 6V0890

SENR3860

Secondary Starter: 6V 6 V0885

SENR3860

TPMS: 9X6846

SENR4733

XMSN/Chassis Control: 2005375

SENR2668

Off Machine Switch Specification - Cab Part No.

Function

Actuate

Deactuate

80kPa MAX

55 ± 20kPa

Contact Position











SPECIFICATIONS AND RELATED MANUALS Volume 2 of 2 - CHASSIS

Related Electrical Service Manuals Title

Form Number

Alternator:

SENR2082

Caterpilla Caterpillarr Monitoring Monitoring System: 1833561 1833561

SENR6717

Engine Engine ECM: ECM: 105612 1056122 2

SEBP3401

Integrated Braking Control: 2005373

RENR1503

Starter: 6V 6V0890

SENR3860

Secondary Starter: 6V 6 V0885

SENR3860

TPMS: 9X6846

SENR4733

XMSN/Chassis Control: 2005375

SENR2668

Off Machine Switch Specification - Chassis Part No. 3E-6428

Function Switch - Co Coolant Fl Flow

Actuate

Deactuate

Contact Position

362 ± 29 mN (1.3 ± 0.1 oz)

303 mN (1.8 oz)

Normally Open

1200 kPa

700 ± 100 kPa

(A-C) Normally Closed











HARNESS and WIRE Electrical Schematic Symbols Symbols

T

Pressure Symbol

Temperature Symbol

Level Symbol

Flow Symbol

Circuit Breaker Symbol

Symbols and Definitions Fuse: A component in an electrical circuit that will open the circuit if too much current flows through it. Switch (Normally Open): A switch that will close at a specified point (temp, press, etc.). The circle indicates that the component has screw terminals and a wire can be disconnected from it. Switch (Normally Closed): A switch that will open at a specified point (temp, press, etc.). No circle indicates that the wire cannot be disconnected from the component. Ground (Wired): This indicates that the component is connected to a grounded wire. The grounded wire is fastened to the machine.

Ground (Case): This indicates that the component does not have a wire connected to ground. It is grounded by being fastened to the machine. Reed Switch: A switch whose contacts contacts are controlled by a magnet. A magnet closes the contacts contacts of a normally open reed switch; it opens the contacts of a normally closed r eed switch.

Sender: A component component that is used with a temperature or pressure pressure gauge. The sender measures the temperature or pressure. Its resistance changes to give an indication to the gauge of the temperature or

































BRAKE CONTROL REAR VIEW VIEW ALL CALLOUTS











CAB FRONT VIEW VIEW ALL CALLOUTS

E

76

107

116

118











CAB LEFT SIDE VIEW VIEW ALL CALLOUTS

A

93

80

C 107 49

E

76

84











CAB SIDEWALL INTERFACE VIEW ALL CALLOUTS

101

111

105













MACHINE HARNESS CONNECTOR AND COMPONENT LOCATIONS VIEW ALL CALLOUTS

A











AREA H: ENGINE (LEFT SIDE VIEW) VIEW ALL CALLOUTS

H1

H33

H8











AREA H: ENGINE (REAR VIEW) VIEW ALL CALLOUTS

H11 H18

H10

H12











AREA H: ENGINE (TOP VIEW) VIEW ALL CALLOUTS

H16

H35

H1

H33

H23

H12











MACHINE HARNESS CONNECTOR CONNECTOR AND COMPONENT LOCATIONS VIEW ALL CALLOUTS

4

17

7

5

10

43

24

39

93

22

26 1

PLanos CAt

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