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

Cell 100: Headlamp Switch and Ambient Light Sensor


Object Number: 324328  Size: FS
Lighting Systems Components
Headlights Circuit Description
Cell 100: Headlamp Dimmer, Park Gear Input, and High Beam Indicator
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Lighting Systems Connector End Views
Power and Grounding Connector End Views
Power and Grounding Connector End Views
Figure 2:

Cell 100: Headlamp Dimmer, Park Gear Input, and High Beam Indicator


Object Number: 324331  Size: FS
Lighting Systems Components
Headlights Circuit Description
Cell 100: Daytime Running Lamps
Cell 100: Headlamp Switch and Ambient Light Sensor
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Ground Distribution Schematics
Body Control System Connector End Views
Tilt Wheel/Column Connector End Views
Lighting Systems Connector End Views
Figure 3:

Cell 100: Daytime Running Lamps


Object Number: 324333  Size: FS
Lighting Systems Components
Headlights Circuit Description
Cell 100: Headlamps
Cell 100: Headlamp Dimmer, Park Gear Input, and High Beam Indicator
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Ground Distribution Schematics
Lighting Systems Connector End Views
Power and Grounding Connector End Views
Power and Grounding Connector End Views
Figure 4:

Cell 100: Headlamps


Object Number: 324336  Size: FS
Lighting Systems Components
Headlights Circuit Description
Cell 100: Daytime Running Lamps
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Ground Distribution Schematics
Lighting Systems Connector End Views
Power and Grounding Connector End Views
Power and Grounding Connector End Views