GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
TopKick C-Series (Crew) C4/C5
🢒 Module Power, Ground, Serial Data, MIL, VSS, and Torque
Module Power, Ground, Serial Data, MIL, VSS, and Torque
Module Power, Ground, Serial Data, MIL, VSS, and Torque Signals
Master Electrical Component List
Overdrive Defeat and CAN Serial Data
OBD II Symbol Description Notice
Automatic Transmission Schematic Icons
B+ Bus Bar
Ignition Switch - OFF/RUN/START, RUN/START and START Bus Bars
A/C COMP, HTD FUEL, PCM-B, and RR DEFOG Fuses
START and TRANS Fuses/Circuit Breakers
GAUGES, L-RR TRUCK, R-RR TRUCK, and SIR Fuses/Circuit Breakers
Driver Information Center (DIC)
START and TRANS Fuses/Circuit Breakers
Splice Pack SP203 (L18/LB7/LG4/LLY)
G203 - 2 of 4
