RIGHTBANK RED
DC VOLTAGE
BLUE
INPUTSIGNALS
LEFT 4
BLACK
GROUNDS , S HE ILDS AND RETURNS
LEFT 3
LE FT 4
LEFT 3
LE FT 2
LEFT 1
ENGINE HARNE SS RIGHT BANK OE M INTERFACE HARNE SS
PURPLE OUTPUTSIGNALS
NBF
>2>
I NJ ECTOR
>1>
ECM CO NNE CTOR
GREEN DATALINKS
<42
NE EDLE M OV EM E NT RETURN
ECM CONNECTO R
NE EDLE M OV EM E NT SENSOR S IGNAL NE
< 11
NE EDLE M OV EM ENT SH SHI ELD RP 39 F UE L P UM P
FUE L SHUTOFF VALV E S IGNAL
E HA B
< 43
B LO CK G RO UN D
REPRESENTS FEMALE > RE PRES ENTS M ALE PI <
RIGHT 6
RIGHT 5
RIGHT 4
RIGHT 3
RIGHT 2
RIGHT 1
ENG INE S WITH 9 PIN DATALINKCONNECTORONLY
RACK ACTUATOR SUP PLY
RACK ACTUATOR RETURN
RACK P OSI TI ON RE FE RE NCE
RACK P OSI TI ON COM M O N
RACK P OSI TI ON M EASURED
< 36 < 46
> A >J1587 DATALINK (+) SECONDARY ENGINE GRID
> B >J1587 DATALINK (-) SECONDARY
< 16
RP39 FUEL PUMP
HEATE R WIRI NG
CONNECTOR
< 26 < 13 < 03 < 04
I NTAKE AIR HEATE R S IGNAL (RIG HT BANK)
< 41
TIM I NG ACTUATOR SUPP LY
< 06
J 1 58 7 DATALINK (-) SECONDARY
< 50
TIM I NG ACTUATOR RE TURN
< 07
< 02
J 1 58 7 DATALINK (+) SE CONDARY
< 49
TH RO TTL EP OS ITI ON S UP PLY
1 KO HM R ES IS TO R
<29
THROTTLE P OS ITION SI GNAL
< 30
I DLE V ALIDATIO NS WITCH OFF IDLE S IGNAL
<25
I DLE V ALIDATIO N S WITCH I DLE S IGNAL
< 26
J1939
>A>
J 19 3 9 DATALINK (+)
DATALINK
>B>
J 19 3 9 DATALINK (-)
BACKBONE
>C>
J 19 3 9 SHIELD
< 12 < 44 < 38 < 39 < 40
UNS WITCHED 2 4 V OLT (B+)
1 5 AM P
< 50 < 20
2 .2 KOHM RE SIS TOR
< 28 < 29
GROUND
J1 9 39 DATALI NK
< 30
TERM INATION CO NNE CTOR
BACKBONE HARNESS
1 20 20 O HM
KEY SWITCH I NP UT
>B>
R ES ES I ST OR
E NGI NE PO SITI ON S ENSOR S UP PLY
>C>
< 48
SE CO NDARY ID BIT
< 47
< 34
>B>
I N TA K EM A NI F OL D T EM P E RA TU R ES E N SO R S I G NA L ( R IG H T BA N K)
> A>
INTAKE MANIFOLD TEMPERATURE SENSOR RETURN (RIGHTBANK)
> A>
INTAKE MANIFOLD PRESSURE SENSOR SUPPLY (RIGHTBANK)
>C>
I NT NT AK E M A NI FO FO LD LD P RE RE S SU RE S E NS O RS I GN AL ( RI G HT B AN K)
>B>
>A>
SE CO NDARY ID BIT
< 45
INTAKE M ANI FOLD PRES SURE SE NSO R RETURN (RIGHT BANK) KE YS WITCH I NPUT
1 K OHM RES ISTOR
< 05
ENGINE POS ITION S ENSOR SUPP LY
< 10
E NGI NE PO SITI ON S ENSOR S IGNAL
ENGINE POS ITION S ENSOR SI GNAL
< 09
E NGI NE PO SITI ON S ENSOR RETURN
ENGINE POS ITION S ENSOR RE TURN
< 19
ENGINE SIDE
E NGI NE SP EE D S ENSOR S UPP LY
ENGINE SP EED S ENS OR SUPP LY
< 08
DATALINK
E NGI NE SP EE D S ENSOR S IGNAL
ENGINE SP EED S ENS OR SI GNAL
< 17
CONNECTOR
E NGI NE SP EE D S ENSOR RETURN
1 K OHM RES ISTOR
ENGINE SP EED S ENS OR RE TURN
< 18
> A > LE FT BANK
LE FT BANK
> B > E CM J1 9 39
ENGINE HARNE SS
> C > CONNECTOR
ECM CONNECTO R >A>
ENGINE SP EED S ENS OR SUPP LY EN
< 08
RIGHTBANK
>C>
ENGINE SP EED S ENS OR SI GNAL
< 17
ECM J1939
>B>
EN ENGINE SP EED S ENS OR RE TURN
< 18
C O NN E CT OR
< C< >F>
E NGI NE SP EE D S ENSOR RETURN
ENGINE SP EED S ENS OR RE TURN
> A > CENSE
>C>
E NGI NE SP EE D S ENSOR S IGNAL
ENGINE SP EED S ENS OR SI GNAL
> B > ECM J1939
>A>
E NGI NE SP EE D S ENSOR S UPP LY
ENGINE SP EED S ENS OR SUPP LY
> C > CONNECTOR >A>
E NGINE POS ITION S ENSOR SUPP LY EN
< 10
1 20 OHM
>C>
ENGINE POS ITION S ENSOR SI GNAL EN
< 09
R ES IS IS TO R
>B>
EN E NGINE POS ITION S ENSOR RE TURN
< 19
>H>
E NGI NE PO SITI ON S ENSOR RETURN
ENGINE POS ITION S ENSOR RE TURN
>K>
E NGI NE PO SITI ON S ENSOR S IGNAL
ENGINE POS ITION S ENSOR SI GNAL
>J>
E NGI NE PO SITI ON S ENSOR S UP PLY
ENGINE POS ITION S ENSOR SUPP LY
>M >
KEY SWITCH I NP UT
KE YS WITCH I NPUT
>V>
IDLE VALIDATION SWITCH IDLE SIGNAL G NAL
PRIM ARY ID BI T
< 47
> U>
IDLE VALIDATION SWITCH OFF IDLE SIGNAL
PRIM ARY ID BI T
< 48
>S>
THROTTLE POSITION SIGNAL
>R>
THROTTLE POSITION SUPPLY
> W>
J1587 DATALINK (+) SECONDARY
> A >
AMBIENTAIR PRESSURE SENSOR SUPPLY
>X>
J1587 DATALINK(-) SECONDARY
>C>
A MB MBIE NT AI AIR PRES SURE SE NSO RS G I NAL
> D >
UNSWITCH T CHED 24 VOLT(B+)
>B>
AMBIENTAIR PRESSURE SENSORRETURN
>E >
G R OU N D > A>
SECONDARY ECM J1587 DATALINKCONNECTOR
CUMMINS RESPONSIBILITY
> E >
GROUND
FOR ENGINES NOTEQUIPPE D WITH A 9-PIN
>C>
U NS WI WI TC HE D 2 4 V OL OL T (B +)
ENGINE SIDE DATALINK CONNECTOR
>A>
J1587 DATALINK(-) SECONDARY
>B>
J1587 DATALINK(+) SECONDARY
INTAKE AIR HEATER SIGNAL(LEFTBANK)
OE M RE SP ONS IBILITY
< 05
10AMP
OIL PRESSURE SENSOR SUPPLY
>C>
OI L PRE SS URE S ENSOR S IGNAL
> B >
OIL PRESSURE SENSOR RETURN
> A>
INTAKE AIR HEATER SIGNAL(LEFTBANK)
< 32
< 33
COOLANTPRESSURE SENSOR SUPPLY
>C>
CO OLANT PR CO PRESS URE S ENSOR S IGNAL
> B >
COOLANTPRESSURE SENSOR RETURN
< 24
21 P I N CONNECTOR >E > UNSWI TCHED 24 V OLT (B+)
K EY SWI TC HI NP UT
< 38
G R OU N D
< 39
>D>
UNS WITCHED 2 4 VOLT (B+)
>X>
J1587 DATALINK(-) SECONDARY
> W>
J1587 DATALINK (+) SECONDARY
< 20
< 40
>A>
KE YS WI TC HI NP UT KE
< 28
UNSWI TCHE D 24 V OLT (B+)
1 5 AM P
< 50
> G >
UNSWITCH T CHED 24 VOLT (B+)
>B>
GROUND
GROUND
>C>
S OLENO ID A
SO LE NOI D A
< 29
>F>
S OLENO ID B
SO LE NOI D B
< 21
FAN CLUTCH SOLENOID SI GNAL FA
< 31
>1> >2>
< 30 < 41
FAN CLUTCH SOLENOID RETURN NEEDLE MOVEMENTRETURN
L EF T BA NK O EM EM I N TE R FA C E H A RN E S S
N BF
>2>
I N J EC TO R
>1>
ECM CONNECTOR
THROTTLE P OSI TION SUPP LY
>R>
THROTTLE P OS ITION SUPP LY
NE EDLE M OV EM E NT SENSOR S IGNAL NE
< 42
KEYSWITCH INPUT
< 41
J1587 DATALINK (-) PRIMARY
< 29
>S>
THROTTLE P OS ITION SI GNAL
< 30
>T >
THROTTLE P OS ITION RE TURN
< 19
< 06 <
J1587 DATALINK(+) PRIMARY
I DL E V AL ID ATI ON ON S WI TC HO FF I DL E S IG IG NA L
>V>
I DL E V AL ID ATI ON ON S WI TC HO FF I DL E S IG IG NA L
< 25
< 07 <
J1587 DATALINK (-) - ) PRIMARY
I DL EV AL ID ATI ON S WI TCH I DL ES IG NAL
>U>
I D LE V AL ID ATI ON S WI TCH I DL ES IG NAL
<26
< 10 <
KEYSWITCH T CHINPUT
IDLE VALIDATION SWITCH RETURN
>H>
J 1 58 7 DATALINK (+) PRIM ARY
< 49
CENSE
< 04 <
UNSWITCHED 24 VOLT (B+)
C O NN E CT OR
< 09 <
>J>
J 1 58 7 DATALINK (-) PRI M ARY
< 50
REM OTE THROTTLE PO SITI ON SUPPLY
>K>
REM OTE THROTTLE P OSI TI ON SUPP LY RE
<10
< 03 <
SE NS OR +5V DC SUPP LY
R EM OTE THR OTTLE P OS ITI ON S IG NA L
>L>
R EM OTE THR OTTLE P OS ITI ON S IG NA L
<09
< 02 <
SENSOR RETURN
R EM OTE THR OTTLE P OS ITI ON RE TU RN
>M >
RE MO TE THR OTTLE P OS ITI ON RE TURN
<20
< 01 <
OI L PAN TE M PERATURE SI GNAL
R EM OTE I DLE V AL IDA TI ON S WI TCH O FF I DL E S IG N > N >
R EM EM OTE I DLE V AL IDA TI ON S WI TCH O FF I DLE S IG NA L
<28
R EM EM O TE I DL DL E V AL AL ID ID AT IO N S WI TC H I DL DL E S I GN AL
R EM EM O TE I DL DL E V AL AL ID ID AT IO N S WI WI TC H I DL DL E S I GN AL
< 43
>P>
31 PIN CO NNE CTOR RED LAM P
> 12 >
AM BER LAM P
> 13 >
9 PIN DATALINK
RED LAM P
>A>
< 11
J1587 DATALINK (+) PRIMARY
THROTTLE P OSI TION SI GNAL THROTTLE P OSI TION RE TURN
REMOTE IDLE VALIDATION SWITCH RETURN
KEYSWITCH INPUT
N EE DL E M OV OV EM EM EN EN TR TR ETU RN
UNSWITCHED 24 VOLT (B+)
< 01
CONNECTOR
< 03
(NOTALL ENGINES EQUIPED)
G R OU N D
< 1 2<
B LO WB Y P RE SS UR ES EN SO RS IG NAL
>F>
J1587 DATALINK(+) PRIMARY
>G>
J1587 DATALINK(-) PRIMARY
>B>
U NS WI TC HE D 2 4 V OL OL T ( B+ )
>A>
GROUND
< 35 <25
1 0 A MP
AM BE R LAM P
>B>
WHITE LAM P
> 14 >
WHITE LAM P
>C>
J1939
>A>
J 1 93 9 D AT AL IN IN K ( +)
< 02
WAIT TO START LAM P
> 07 >
WAIT TO START LAM P
< 11
> D>
J1939 DATALINK (-)
< B<
DATALINK
>B>
J 1 93 9 D AT AL IN IN K ( -)
< 12
S PARE LAM P #1
> 10 >
S PARE LAM P #1
< 02
>E>
J 19 19 39 39 S HI EL D
B AC AC KB ON E
>C>
J 19 19 39 39 S HI EL EL D
S PARE LAM P #2
> 11 >
S PARE LAM P #2
< 15
> 30 >
S PARE
< 33
> A>
INTAKE MANIFOLD PRESSURE SENSOR SUPPLY (LEFTBANK)
> 06 >
TACHO M ETER
< 12
>C>
I NT NT AK E M A NI FO FO LD LD P RE RE S SU RE S E NS O RS I GN AL ( LE FT FT B AN K)
> 05 >
S PARE
< 32
> 03 >
S PARE
< 22
TACHO M ETER
< 04
> C>
J1939 DATALINK (+
< A<
> B>
INTAKE MANIFOLD PRESSURE SENSORRETURN (LEFTBANK)
> 04>
P UL SE W ID TH M OD OD UL ATE D TO RQ UE B RO AD CA ST O UTP UT
< 21
>B>
C OOLANT TEM PE RATURE S ENSOR SI GNAL
DIAG NOS TIC SWITCH
> 15 >
DIAG NOS TIC SWITCH
< 37
>A>
COOLANTTEMPERATURE SENSOR RETURN
IDLE / DI AGNOS TI C I NCRE M ENT
> 19 >
I DLE / DIAG NOS TIC INCRE M ENT
< 35
IDLE / DI AGNOS TI CDECRE MENT
<36
>B>
I NTAKE M ANI FOLD TEM PERATURE S ENSOR S IGNAL (LEFT BA BANK)
A LTE RNA TE TO RQ UE C UR VE S EL ECT
> 1 6>
A LTE RN ATE TO RQ UE CUR VE S EL EC T
<39
> A>
INTAKE MANIFOLD TEMPERATURE SENSOR RETURN (LEFTBANK)
ALTE RNATE IDLE
> 18 >
> 2 2>
ALTE RNATE IDLE
I DLE / DIAG NOS TIC DECRE MENT
< 44
INTERM EDIATE SP EE DCONTROL 1
> 2 3>
I NTERM EDIATE S PEE DCONTROL 1
<46
RP39 FUEL PUMP
I NT NT ER M ED IA IA TE S P EE D C ON ON TR OL OL 3 / V AL AL ID ID AT E
> 25 >
I NT NT ER M ED IA IA TE S P EE D C ON TR OL 3 / V AL AL ID ID ATE
< 17
E HA B
FUE L SHUTOFF VALV E S IGNAL
< 44
< 45
< 23
< 34
< 43
B LO CK G RO UN D
INTERMEDIATE SPEED CONTROL 3 / VALIDATE I NT NT ER M ED IA IA TE S P EE D C ON ON TR OL OL 2
> 24 >
I NT NT ER M ED IA IA TE S P EE D C ON TR OL 2 / R EM EM O TE TH RO TT LE S E LE CT CT
< 45
I NT NT ER M ED IA IA TE S P EE D C ON ON TR OL OL I NC NC RE M EN T
> 27 >
I N TE RM RM E DI AT E S P EE D C ON TR OL I NC NC RE M EN T
< 07
I NT NT ER M ED IA IA TE S P EE D C ON ON TR OL OL D EC EC RE M EN T
> 28 >
I N TE RM RM E DI AT E S P EE D C ON TR OL D EC EC RE M EN T
< 13
I NTE RM ED ED IA TE S PE PE ED ED C ON TR OL O N / O FF
> 29>
I N TE RM ED ED IA TE S PE PE ED ED C ON TR OL O N / O FF
< 14
S PARE
< 27
> 26 >
RACK ACTUATOR SUP PLY
RACK ACTUATOR RETURN
< 36 < 46
RP39 FUEL PUMP CONNECTOR
< 16 < 26
RACK P OSI TI ON RE FE RE NCE
> 17 >
ALTE RNATE DROOP SWITCH
F AN C LU TC H S WI TC H
> 02>
F A NC LU TC HS WI TC H
RACK P OSI TI ON M EASURED
< 04
TIM I NG ACTUATOR SUPP LY
< 06
> 01>
F R EQ UE NC Y TH RO TTL E I NP UT
SHORTING PLUG
1 K O HM R ES IS IS TO RD IO DE
RACK P OSI TI ON COM M O N
< 13
ALTE RNATE DRO OP SWITCH
TIM I NG ACTUATOR RE TURN ALTERNATE DROO P S WITCH
< 03
< 07 < 22
FAN CLUTCH SWITCH
< 15
FRE QUE NCY THROTTLE I NP UT
< 14
>C>
>C>
>C>
COOLANT LE VE L SWITCH SUP PLY
> 20 >
COOLANT LEVE L SWI TCH SUPPLY
CO OLANT LE VE L SWITCH S UP PLY
>B>
>B>
>B>
COOLANT LE VE L SWITCH RETURN
> 21 >
COOLANT LEVE L SWI TCH RE TURN
CO OLANT LE VE L SWITCH RETURN
>D>
>D>
>D>
COOLANT LE VE L SWITCH HIG H
> 08 >
COOLANT LEVE L SWI TCH HIG H
CO OLANT LE VE L SWITCH HIGH
< 27
>A>
>A>
>A>
COOLANT LE VE L SWITCH LOW
> 09 >
COOLANT LEVE L SWI TCH LO W
CO OLANT LE VE L SWITCH LOW
< 37
OEM RESPONSIBILITY
CUMMINS RESPONSIBILITY
