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

Cell 100: Headlamp Switch and Ambient Light Sensor


Object Number: 457685  Size: FS
Ground Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Lighting Systems Components
Headlights Circuit Description
Cell 100: Headlamp Dimmer, Park Gear Input, and High Beam Indicator
Ground Distribution Schematics
Ground Distribution Schematics
Lighting Systems Connector End Views
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
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: 457689  Size: FS
Lighting Systems Connector End Views
Tilt Wheel/Column Connector End Views
Ground Distribution Schematics
Ground Distribution Schematics
Handling ESD Sensitive Parts Notice
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Cell 100: Headlamp Switch and Ambient Light Sensor
Cell 100: Daytime Running Lamps
Headlights Circuit Description
Lighting Systems Components
Figure 3:

Cell 100: Daytime Running Lamps


Object Number: 457956  Size: FS
Ground Distribution Schematics
Ground Distribution Schematics
Lighting Systems Connector End Views
Power and Grounding Connector End Views
Power and Grounding Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Cell 100: Headlamps
Cell 100: Headlamp Dimmer, Park Gear Input, and High Beam Indicator
Headlights Circuit Description
Lighting Systems Components
Figure 4:

Cell 100: Headlamps


Object Number: 457958  Size: FS
Ground Distribution Schematics
Ground Distribution Schematics
Lighting Systems Connector End Views
Power and Grounding Connector End Views
Power and Grounding Connector End Views
Handling ESD Sensitive Parts Notice
Cell 100: Daytime Running Lamps
Lighting Systems Components
Headlights Circuit Description