GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
TopKick C-Series (Crew) C4/C5
🢒 Module Power, Ground, Serial Data, and MIL
Module Power, Ground, Serial Data, and MIL
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)
