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

Cell 104: Power and Ground


Object Number: 431313  Size: FS
Lighting Systems Components
Headlight Doors Circuit Description
Cell 104: Headlamp Door Control
Cell 117: ALC PRK LP Relay
Handling ESD Sensitive Parts Notice
Cell 14: SP101, SP100, G101, G102
Cell 102: Headlamp Switch and Ambient Light Sensor
Figure 2:

Cell 104: Headlamp Door Control


Object Number: 431317  Size: FS
Lighting Systems Components
Headlight Doors Circuit Description
Cell 104: Power and Ground
Cell 10: U/H Fuses 52, 53, 4, 3, 23