GM Service Manual Online
For 1990-2009 cars only

Headlights/Daytime Running Lights (DRL) Schematics


Object Number: 1786974  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Underhood Fuse Block DRL, HI/BEAM and LO/BEAM Relays, ABS, DRL, EPS, IBCM 1, IBCM 2, LT HI BEAM, LT LOW BEAM, RT HI BEAM, RT LOW BEAM, PCM and TCM Fuses
Low Speed Serial Data
G101 and G102
G101 and G102
Ambient Light Sensor, Brake Pedal Position Sensor, Hazard Switch and Turn Signal/Multifunction Switch
G201