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

Control, I/P, Passenger Door, and Steering Wheel Lamps


Object Number: 1921700  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Left Door, Right B-Pillar and Roof Lamps
Figure 2:

Left Door, Right B-Pillar, and Roof Lamps


Object Number: 1921702  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Control, I/P, Passenger Door and Steering Wheel Lamps