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

Headlamp/DRL Controls


Object Number: 1480725  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Headlamps
Headlamps
Headlamps
Headlamps
Park Lamp Control, Side Marker, Park and Position Lamps
DLC - Class 2
G201
G201
Temperature Sensors
Temperature Sensors
Figure 2:

Headlamps


Object Number: 1480726  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Headlamp/DRL Controls
Fuse Block - Underhood Bussing
Headlamp/DRL Controls
Headlamp/DRL Controls
Headlamp/DRL Controls
Lighting Systems Schematic Icons
Lighting Systems Schematic Icons
G101
G102
G101
G102