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

Dimmer Switch Inputs


Object Number: 1787579  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Steering Wheel and Doors
Park Lamps
Fog Lights Schematics
Ambient Light Sensor, Brake Pedal Position Sensor, Hazard Switch, and Turn Signal/Malfunction Switch
Steering Wheel and Doors
Steering Wheel and Doors
Park Lamps
G203
Figure 2:

Steering Wheel and Doors


Object Number: 1787580  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Seats and Center Console
Dimmer Switch Inputs
Dimmer Switch Inputs
Lighting Systems Schematic Icons
Dimmer Switch Inputs
Seats and Center Console
G201
Steering Wheel Controls - 3 Spoke
Release Systems Schematics
Outside Rearview Mirror Schematics
Sedan
Door Lock Switches
G301
Door Lock Switches
G301
G201
Lighting Systems Schematic Icons
G303
G301
Figure 3:

Seats and Center Console


Object Number: 1787583  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Steering Wheel and Doors
Steering Wheel and Doors
G303
Shift Lock Control Schematics
Brake Pedal Position Sensor and Traction Control Switch
G303
G304 and G305