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

Headlights/DRL Control


Object Number: 1778595  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Headlights
G203 - 2 of 2
G203 - 2 of 2
G203 - 1 of 2
G203 - 1 of 2
G203 - 2 of 2
Headlights
Air Temperature Actuators - Left and Right
Figure 2:

Headlights


Object Number: 1778599  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Daytime Running Lamps (DRL)
Headlights/DRL Control
B+ Bus Bar
Headlights/DRL Control
G104, G107, and G110
G104, G107, and G110
Headlights/DRL Control
G100 and G102
Figure 3:

Daytime Running Lamps (DRL)


Object Number: 1778600  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Headlights
B+ Bus Bar
G100 and G102
G100 and G102