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

Left Front Headlamps, Ambient Light Sensor, DRL Relay and ALC Headlamp Relay


Object Number: 524334  Size: FS
Power Distribution Schematics
Power Distribution Schematics
Lighting Systems Components
Headlights Circuit Description
Right Front Headlamps, Turn/Headlamp/Wiper Switch
HVAC Blower Control Schematics
Ground Distribution Schematics
Right Front Headlamps, Turn/Headlamp/Wiper Switch
Right Front Headlamps, Turn/Headlamp/Wiper Switch
Right Front Headlamps, Turn/Headlamp/Wiper Switch
Figure 2:

Right Front Headlamps, Turn/Headlamp/Wiper Switch


Object Number: 524331  Size: FS
Lighting Systems Components
Headlights Circuit Description
Left Front Headlamps, Ambient Light Sensor, DRL Relay and ALC Headlamp Relay
Left Front Headlamps, Ambient Light Sensor, DRL Relay and ALC Headlamp Relay
Left Front Headlamps, Ambient Light Sensor, DRL Relay and ALC Headlamp Relay
Left Front Headlamps, Ambient Light Sensor, DRL Relay and ALC Headlamp Relay
Power Distribution Schematics
Ground Distribution Schematics