Service Manual

9.47
Model 8042, 10042, 10054 Legacy Rev. 10/03
Electrical System
9.52 6 RED Grid Heater Relay 2 (Pin 1) to Engine Grid Heater (Pin 2)
9.52 1/0 RED Battery 1, Positive (+) Terminal to Starter 12V Buss Bar
GH1 9.52 18 BLK Splice 8 to Engine Control Module, Female Engine Connector, P2 (Pin 41)
GH1A 9.52 16 BLK Splice 8 to Diode VESPAK Connector P10 (Pin A)
GH1B 9.52 16 BLK Splice 8 to Grid Heater Relay 1 (Pin 3)
GH2 9.52 18 BLK Splice 9 to Engine Control Module, Female Engine Connector, P2 (Pin 31)
GH2A 9.52 16 BLK Splice 9 to Diode VESPAK Connector P10 (Pin B)
GH2B 9.52 16 BLK Splice 9 to Grid Heater Relay 2 (Pin 3)
GH3 9.52 16 BLK Grid Heater Relay 1 (Pin 1) to Diode VESPAK Connector P11 (Pin A)
GH4 9.52 16 BLK Grid Heater Relay 2 (Pin 1) to Diode VESPAK Connector P11 (Pin F)
GHG 9.52 16 BLK Splice 7 to Diode VESPAK Connector P10 (Pin F)
GHG1 9.52 16 BLK Splice 7 to Grid Heater Relay 1 (Pin 4)
GHG2 9.52 16 BLK Splice 7 to Grid Heater Relay 2 (Pin 4)
GHG3 9.52 16 BLK Battery 2, Negative (-) Terminal to Splice 7
9.52 1/0 RED Battery 1, Positive (+) Terminal to Battery 2, Positive (+) Terminal
9.52 1 BLK Battery 2, Negative (-) Terminal to Frame Ground
J87H 9.52 18 RED
Engine Control Module, Female Engine Connector, P2 (Pin 49)
to Engine Control Module, Male Diagnostic Connector, P7 (Pin F)
J87L 9.52 18 BLK
Engine Control Module, Female Engine Connector, P2 (Pin 50)
to Engine Control Module, Male Diagnostic Connector, P7 (Pin G)
9.52 1/0 BLK Battery 1, Negative (-) Terminal to Battery 2, Negative (-) Terminal
9.52 1/0 BLK Battery 1, Negative (-) Terminal to Starter Ground Stud
ML 9.52 18 BLK
Engine Control Module Bulkhead, Female Connector (Pin F)
to Engine Control Module, Female Engine Connector, P2 (Pin 4)
OFF1
9.52 18 BLK
Engine Control Module Bulkhead, Female Connector (Pin H)
to Engine Control Module, Female Engine Connector, P2 (Pin 25) (Engine Harness)
9.52 18 ORG
Engine Control Module Bulkhead, Male Connector (Pin H)
to Idle Validation Switch, Male Connector, P16 (Pin C) (ECM Cab Harness)
ON1
9.52 18 BLK
Engine Control Module Bulkhead, Female Connector (Pin J)
to Engine Control Module, Female Engine Connector, P2 (Pin 26) (Engine Harness)
9.52 18 VIO
Engine Control Module Bulkhead, Male Connector (Pin J)
to Idle Validation Switch, Male Connector, P16 (Pin B) (ECM Cab Harness)
PH1
9.52 18 BLU
Engine Control Module Bulkhead, Male Connector (Pin P)
to Preheat Indicator Light, Female Connector, P19 (Pin 1A+)
PH1A 9.52 16 PNK/BLU
Engine Control Module Bulkhead, Female Connector (Pin P)
to Diode VESPAK Connector P11 (Pin B)
RTS 9.52 18 BLK
Engine Control Module Bulkhead, Female Connector (Pin O)
to Engine Control Module, Female Engine Connector, P2 (Pin 45)
SL 9.52 18 BLK
Engine Control Module Bulkhead, Female Connector (Pin D)
to Engine Control Module, Female Engine Connector, P2 (Pin 1)
SL1 9.52 18 GRN
Engine Control Module Bulkhead, Male Connector (Pin D)
to Engine Function Indicator Light, Female Connector, P15 (Pin 1B-)
SWR
9.52 18 BLK
Engine Control Module Bulkhead, Female Connector (Pin K)
to Engine Control Module, Female Engine Connector, P2 (Pin 20) (Engine Harness)
9.52 18 YEL
Engine Control Module Bulkhead, Male Connector (Pin K)
to Idle Validation Switch, Male Connector, P16 (Pin A) (ECM Cab Harness)
THG 9.52 18 BLK
Engine Control Module Bulkhead, Female Connector (Pin A)
to Engine Control Module, Female Engine Connector, P2 (Pin 19)
THG1 9.52 18 BLK
Engine Control Module Bulkhead, Male Connector (Pin A)
to Throttle Sensor, Female Connector, P14 (Pin A)
THP 9.52 18 RED
Engine Control Module Bulkhead, Female Connector (Pin B)
to Engine Control Module, Female Engine Connector, P2 (Pin 29)
THP1 9.52 18 RED
Engine Control Module Bulkhead, Male Connector (Pin B)
to Throttle Sensor, Female Connector, P14 (Pin C)
Wire No. Page Gauge Color From - Function - To
These wires are not part of a wire harness. Refer to the appropriate Parts Manual for part number information.
F
G
H
J
K
L