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

Headlights/Daytime Running Lights (DRL), Headlamps


Object Number: 1680366  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Headlamp Switch
Underhood Fuse Block B+
Rear Fuse Block B+
Headlamp Switch
Headlamp Switch
G104
Figure 2:

Headlamp Switch


Object Number: 1680367  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Headlamps
Headlamps
Headlamps
Front Park, Marker Lamps
Power, Ground, and Low Speed GMLAN
Fog Lamps
Air Temperature Sensors
G300
G304
G300