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

Instrument Panel Dimmer Switch and Lamp Dimmer Module


Object Number: 525216  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
Instrument Panel Lamps
Instrument Panel Lamps
Instrument Panel Lamps
Interior Lights Schematics
Exterior Lights Schematics
Radio/Audio System Schematics
Body Control System Schematics
Power Distribution Schematics
Ground Distribution Schematics
Figure 2:

Instrument Panel Lamps


Object Number: 525221  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
Window and Door Lock Switches (Pontiac)
Instrument Panel Dimmer Switch and Lamp Dimmer Module
Instrument Panel Dimmer Switch and Lamp Dimmer Module
Instrument Panel Dimmer Switch and Lamp Dimmer Module
Window and Door Lock Switches (Pontiac)
Window and Door Lock Switches (Oldsmobile)
Exterior Lights Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Figure 3:

Window and Door Lock Switches (Pontiac)


Object Number: 525225  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
Instrument Panel Lamps
Instrument Panel Lamps
Body Control System Schematics
Body Control System Schematics
Body Control System Schematics
Body Control System Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Figure 4:

Window and Door Lock Switches (Oldsmobile)


Object Number: 525229  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
Instrument Panel Lamps
Instrument Panel Lamps
Body Control System Schematics
Body Control System Schematics
Body Control System Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics