GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Power and Ground


Object Number: 662940  Size: FS
Master Electrical Component List
Gauges
IGN MAIN 1, BTSI, DRL, CANISTER VENT, PWR DROP, TURN, SIR Fuses
Seat Belts Schematics
Front Park and Turn Signal Lamps
Daytime Running Lamps (DRL) Control Module Outputs
Front Park and Turn Signal Lamps
Headlamp Switch and Instrument Panel Lighting
A/T Controls 3 of 3
Headlamp Switch and Instrument Panel Lighting
G200, S211, S285
G200, S213, S375
Figure 2:

Gauges


Object Number: 662942  Size: FS
IP-IGN, CRUISE, ECM Fuses
IP-IGN, CRUISE, ECM Fuses
Indicators
Power and Ground
Indicators
Fuel Control
Fuel Control
Master Electrical Component List
Indicators
Power and Ground
Figure 3:

Indicators


Object Number: 662943  Size: FS
Gauges
Gauges
ABS Indicator, Torque Signals, and Steering
Brake Warning
Indicators
SIR Schematics
PCM Power and Ground
PCM Power and Ground
Generator
Theft Deterrent Control Module
G100, G111, G113
G100, G111, G113
Master Electrical Component List
Gauges
G117