GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
TopKick C-Series (Conventional) 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
Engine Control Component Description (Without RPO CTF)
Engine Data Sensors - 5 Volt and Low Reference
Engine Controls Schematic Icons
Ignition Switch - OFF/RUN/START, RUN/START and START Bus Bars
B+ Bus Bar
START and TRANS Fuses/Circuit Breakers
ENGINE and PCM-I Fuses/Circuit Breakers
GAUGES, L-RR TRUCK, R-RR TRUCK, and SIR Fuses/Circuit Breakers
A/C COMP, HTD FUEL, PCM-B, and RR DEFOG Fuses
Power and Indicators
Engine Data Sensors - Glow Plug Controls
Electronic Fan Controls, Coolant Level Switch
G103 - 1 of 2, G105, and G106
G103 - 2 of 2
J1939 Serial Data (L65/L18/LG4/LC8) - 2 of 2
