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

Headlamp/DRL Control


Object Number: 1899611  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Headlamps
Headlamps
Headlamps
Headlamps
Temperature Sensors
Temperature Sensors
G201
Figure 2:

Headlamps


Object Number: 1899615  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Adaptive Forward Lighting System (AFS) - Except Japan and Europe
Headlamp/DRL Control
Fuse Block - Underhood Bussing
LT HI BM, RT HI BM, LT LO BM, RT LO BM, WIPER, WIPR DWELL, RUN ACSRY PWR, STR WAL DIMMING Fuses, and HIGH BEAM, LOW BEAM, WIPER RUN/ACC, WIPER ON/OFF, WIPER HI/LO Relays
Headlamp/DRL Control
Headlamp/DRL Control
Headlamp/DRL Control
Master Electrical Schematic Icons
Master Electrical Schematic Icons
G101
G102
Figure 3:

Adaptive Forward Lighting System (AFS) - Except Japan and Europe


Object Number: 1899617  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Headlamps
Fuse Block - Underhood Bussing
COOLFAN, AMP, HVAC, ABS, W/S WASH/INTERCOOL, MRRTD, ECM/TCM, HORN, and BATT2 Fuses
RPA/H/C SEAT/WIPR RELAYS, GMLAN DEVICES, ECM, SCMPSIR SW, ACC/TCM, and ABS/MRRTD/AFS Fuses
GMLAN
G102