GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
TopKick C-Series Commercial (Cutaway) C4/C5
🢒 Module Power, Ground, Serial Data, and MIL
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Module Power, Ground, Serial Data, and MIL for GMC Truck TopKick C-Series Commercial (Cutaway) C4/C5 2004
Module Power, Ground, Serial Data, and MIL
Master Electrical Component List
Powertrain Control Module Description
Engine Data Sensors - 5 Volt and Low Reference
Engine Controls Schematic Icons
Ignition Switch - OFF/RUN/START, RUN/START and START Bus Bars
Ignition Switch - OFF/RUN/START, RUN/START and START Bus Bars
Ignition Switch - OFF/RUN/START, RUN/START and START Bus Bars
START and TRANS Fuses/Circuit Breakers
GAUGES, L-RR TRUCK, R-RR TRUCK, and SIR Fuses/Circuit Breakers
START and TRANS Fuses/Circuit Breakers
ENGINE and PCM-I Fuses/Circuit Breakers
START and TRANS Fuses/Circuit Breakers
A/C COMP, HTD FUEL, PCM-B, and RR DEFOG Fuses
GAUGES, L-RR TRUCK, R-RR TRUCK, and SIR Fuses/Circuit Breakers
Power and Indicators
J1939 Serial Data (L65/L18/LG4/LC8) - 2 of 2
G203 - 2 of 4
G100 (L18)
