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

Power, Ground, I/P Illumination, Door Open Indicators


Object Number: 1844377  Size: FS
Master Electrical Component List
Control Module References
Gages
Underhood Fuse Block - Battery Feeds - 1of 2
Underhood Fuse Block - Battery Feeds - 1of 2
Underhood Fuse Block - Battery Feeds - 1of 2
Underhood Fuse Block - Battery Feeds - 1of 2
Gages
Power Steering, Shift Program, Air Bag, TPMS, ABS, TCS, Park Brake, and Charging Warning Lamps
Vehicle Speed Signal
Vehicle Speed and Input Speed Sensors
Input Shaft, Output Shaft, Vehicle Speed Sensors
Manual Transmission Schematics
Manual Transmission Schematics
Manual Transmission Schematics
Interior Lights Schematics
I/P Illumination - w/Dimming
Audible Warnings Schematics
G201 (1 of 2)
Figure 2:

Gages


Object Number: 1844378  Size: FS
Master Electrical Component List
Control Module References
Power Steering, Shift Program, Air Bag, TPMS, ABS, TCS, Park Brake, and Charging Warning Lamps
Power, Ground, I/P Illumination, Door Open Indicators
Power, Ground, I/P Illumination, Door Open Indicators
Air Bag, MIL Lamp, Oil Pressure, DRL, Cruise and Fog Lamp Indicators
Cruise Control Schematics
Blower Controls
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Underhood Fuse Block - Battery Feeds - 1of 2
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
G302
Figure 3:

Power Steering, Shift Program, Air Bag, TPMS, ABS, TCS, Park Brake, and Charging Warning Lamps


Object Number: 1844380  Size: FS
Master Electrical Component List
Control Module References
Air Bag, MIL Lamp, Oil Pressure, DRL, Cruise and Fog Lamp Indicators
Gages
ECM Power and Ground, Serial Data, MIL Control
Steering Assist Schematics
Seat Belt Schematics
Warning Lamps, Serial Data
Starting
Vehicle Speed and Input Speed Sensors
Vehicle Speed Signal
Charging
Brake Warning System Schematics
Figure 4:

Air Bag, MIL Lamp, Oil Pressure, DRL, Cruise, and Fog Lamp Indicators


Object Number: 1844379  Size: FS
Master Electrical Component List
Control Module References
Turn Signal Hazard, and High Beam Indicators PRNDL Illumination
Power Steering, Shift Program, Air Bag, TPMS, ABS, TCS, Park Brake, and Charging Warning Lamps
Front Fog Lamps
Gages
Dual Stage SIR - 1 of 2
Headlamps - w/o Daytime Running Lamps
Cruise Control Schematics
Front Fog Lamps
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Figure 5:

Turn Signal, Hazard, and High Beam Indicators - PRNDL Illumination


Object Number: 1372167  Size: FS
Master Electrical Component List
Air Bag, MIL Lamp, Oil Pressure, DRL, Cruise and Fog Lamp Indicators
Park Lamps and License Plate Lamps
Park Lamps and License Plate Lamps
Headlamps - w/o Daytime Running Lamps
G101
Power, Ground, Hold Switch and DLC
Module Power, Ground, Malfunction Indicator Lamp (MIL), Hold Lamp and Serial Data
G201 (1 of 2)