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

Headlamp Switch and IP Dimmer Switch


Object Number: 508022  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
Interior Illumination Lamps 1 of 2
Handling ESD Sensitive Parts Notice
Power Distribution Schematics
AIR BAG and GAUGES Fuses
Interior Illumination Lamps 1 of 2
Exterior Lights Schematics Pontiac
Exterior Lights Schematics Japan
Exterior Lights Schematics Europe and Scandinavia
Body Control Module and Switch Inputs
Interior Illumination Lamps 1 of 2
Figure 2:

Interior Illumination Lamps 1 of 2


Object Number: 508024  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
Interior Illumination Lamps 2 of 2
Headlamp Switch and IP Dimmer Switch
Handling ESD Sensitive Parts Notice
Headlamp Switch and IP Dimmer Switch
Ground Distribution Schematics
Headlamp Switch and IP Dimmer Switch
G200 Splice S220
Figure 3:

Interior Illumination Lamps 2 of 2


Object Number: 508026  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
Interior Illumination Lamps 1 of 2
SIR Handling Caution
Interior Illumination Lamps 1 of 2
Interior Illumination Lamps 1 of 2
Interior Illumination Lamps 1 of 2
IP DIMMER and STG WHL CNTRL Fuses
G200 Splice S220
G200 Splice S220
G200 Splice S220