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

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


Object Number: 1963049  Size: FS
Master Electrical Component List
Control Module References
Gages
Fuse Block - Underhood B+ Bus, 1 of 3
Fuse Block - Underhood B+ Bus, 1 of 3
Fuse Block - Underhood B+ Bus, 1 of 3
Fuse Block - Underhood B+ Bus, 1 of 3
Gages
Power Steering, Shift Program, Air Bags, TPMS, ABS, TCS, Park Brake, and Charging Warning Lamps
Vehicle Speed Signal
Vehicle Speed and Input Speed Sensors
Input Shaft, Output Shaft, and Vehicle Speed Sensors (VSS)
D20
D16
D20
Interior Lights
Interior Lights Dimming Schematics
Audible Warnings
G201 - 1 of 2
Figure 2:

Gages


Object Number: 1963053  Size: FS
Master Electrical Component List
Control Module References
Power Steering, Shift Program, Air Bags, TPMS, ABS, TCS, Park Brake, and Charging Warning Lamps
Power, Ground, I/P Illumination, and Door Open Indicators
Power, Ground, I/P Illumination, and Door Open Indicators
Air Bag, MIL Lamp, Oil Pressure, DRL, Cruise, and Fog Indicators
with Throttle Actuator Control
Blower Controls
Module Power, Ground, Sensor Data, Malfunction Indicator Lamp (MIL)
Fuse Block - Underhood B+ Bus, 1 of 3
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: 1963058  Size: FS
Master Electrical Component List
Control Module References
Air Bag, MIL Lamp, Oil Pressure, DRL, Cruise, and Fog Indicators
Gages
ECM Power and Ground, Serial Data, MIL Control
Power Steering Schematics
Seat Belt
Warning Lamps, Serial Data
Starting
Vehicle Speed and Input Speed Sensors
Vehicle Speed Signal
Charging
Hydraulic Brake
Figure 4:

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


Object Number: 1963061  Size: FS
Master Electrical Component List
Control Module References
Turn Signal, Hazard, High Beam Indicator - PRNDL Illumination
Power Steering, Shift Program, Air Bags, TPMS, ABS, TCS, Park Brake, and Charging Warning Lamps
Front Fog Lamps - LHD Except North America
Gages
Dual Stage SIR - 1 of 2
Headlights Schematics (RHD)
with Throttle Actuator Control
Front Fog Lamps - LHD Except North America
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Module Power, Ground, Sensor Data, Malfunction Indicator Lamp (MIL)
Module Pwer, Ground, Sensor Data Malfunction Indicator Lamp (MIL)
Module Power, Ground, Sensor 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: 1963064  Size: FS
Master Electrical Component List
Control Module References
Air Bag, MIL Lamp, Oil Pressure, DRL, Cruise, and Fog Indicators
Park Lamps and License Plate Lamps
Park Lamps and License Plate Lamps
Headlights Schematics (RHD)
G101
Power, Ground, Hold Switch, and DLC
Module Power, Ground, Malfunction Indicator Lamp (MIL), Hold Lamp, and Serial Data
G201 - 1 of 2