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

Cell 102: Headlamp Switch and Ambient Light Sensor


Object Number: 431279  Size: FS
Lighting Systems Components
Cell 102: High and Low Beams
Cell 117: ALC PRK LP Relay
Cell 104: Power and Ground
Cell 10: I/P Fuses 52, 6, Relays 43, 44, Circuit Breaker 54
Cell 102: High and Low Beams
Handling ESD Sensitive Parts Notice
Cell 14: SP201, SP203, G201
Handling ESD Sensitive Parts Notice
Cell 114: CTSY LP Relay Control
Cell 102: High and Low Beams
Cell 104: Power and Ground
Cell 110: ALC PRK LP Relay
Figure 2:

Cell 102: High and Low Beams


Object Number: 431282  Size: FS
Lighting Systems Components
Cell 102: DRL Domestic and Export
Cell 102: Headlamp Switch and Ambient Light Sensor
Cell 102: Headlamp Switch and Ambient Light Sensor
Cell 14: SP101, SP100, G101, G102
Cell 14: SP101, SP100, G101, G102
Figure 3:

Cell 102: DRL Domestic and Export


Object Number: 431284  Size: FS
Lighting Systems Components
Cell 102: High and Low Beams
Handling ESD Sensitive Parts Notice
Cell 114: CTSY LP Relay Control
Cell 14: SP201, SP203, G201
Handling ESD Sensitive Parts Notice
Cell 14: SP101, SP100, G101, G102
Cell 14: SP102, SP208, G104
Cell 14: SP101, SP100, G101, G102
Cell 10: U/H Fuses 49, 11, 6, 2, Relays 45, 36, 39, 38