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

DRL Relay, Headlamps, and Power (w/o 6J7)


Object Number: 798547  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
DRL Relay, Flasher, Headlamps, and Power (6J7)
Junction Block-Underhood (Top) Bussing
G101
Indicator, and Lamp Control
Indicator, and Lamp Control
Indicator, and Lamp Control
Figure 2:

DRL Relay, Flasher, Headlamps, and Power (6J7)


Object Number: 808821  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Indicator, and Lamp Control
DRL Relay, Headlamps, and Power (w/o 6J7)
Junction Block-Underhood (Top) Bussing
Junction Block-Underhood (Top) Bussing
G101
Indicator, and Lamp Control
Indicator, and Lamp Control
Indicator, and Lamp Control
Figure 3:

Indicators, and Lamp Control


Object Number: 798549  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
G201 (1 of 2)
DRL Relay, Flasher, Headlamps, and Power (6J7)
DLC Schematics
DRL Relay, Headlamps, and Power (w/o 6J7)
DRL Relay, Headlamps, and Power (w/o 6J7)
DRL Relay, Headlamps, and Power (w/o 6J7)
G201 (1 of 2)
G203 (1 of 3)
Courtesy Lamps Control, and I/P
Brake Warning Schematics
CLSTR/BCM, DR LK, LEFT IP, LT HTD ST/BCM, and PWR MIR Fuses, RETAINED ACCSRY PWR BRKR Circuit Breaker, HEADLAMP, and RETAINED ACCSRY PWR Relays
G201 (1 of 2)
DRL Relay, Flasher, Headlamps, and Power (6J7)
DRL Relay, Flasher, Headlamps, and Power (6J7)
DRL Relay, Flasher, Headlamps, and Power (6J7)