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

Door Open Inputs


Object Number: 1442887  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Courtesy Lamp Switch, Left Door Courtesy Lamps, and I/P Compartment Lamp
Class 2 Serial Data Lines
Figure 2:

Courtesy Lamp Switch, Left Door Courtesy Lamps, and I/P Compartment Lamp


Object Number: 1442889  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Auxiliary Lighting Control, Right Door Courtesy Lamps and Rear Compartment Lamp
Door Open Inputs
BAT 1, RRINMDL, C/LTR, DRVMDL, HTDST L, TRK REL, PDM, SBM and CSTR/SBM Fuses
Class 2 Serial Data Lines
Auxiliary Lighting Control, Right Door Courtesy Lamps and Rear Compartment Lamp
Auxiliary Lighting Control, Right Door Courtesy Lamps and Rear Compartment Lamp
Vanity Mirrors, Courtesy/Reading Lamps and Office Work Lamp
G202 - 1 of 4
G202 - 2 of 4
G201 - 1 of 2
G201 - 2 of 2
G201 - 2 of 2
Figure 3:

Auxiliary Lighting Control, Right Door Courtesy Lamps, and Rear Compartment Lamp


Object Number: 661645  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Rear Window Switches
Courtesy Lamp Switch, Left Door Courtesy Lamps, and I/P Compartment Lamp
Courtesy Lamp Switch, Left Door Courtesy Lamps, and I/P Compartment Lamp
Courtesy Lamp Switch, Left Door Courtesy Lamps, and I/P Compartment Lamp
Vanity Mirrors, Courtesy/Reading Lamps and Office Work Lamp
G400 - 1 of 2
Figure 4:

Rear Window Switches


Object Number: 792651  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Auxiliary Lighting Control, Right Door Courtesy Lamps and Rear Compartment Lamp
Vanity Mirrors, Courtesy/Reading Lamps and Office Work Lamp
Right Air Temperature Assembly, Ashtray, and Heated Seat Switch Backlighting
Left Park Lamps
Left Park Lamps
Left Park Lamps
Right Park Lamps
Right Park Lamps
Right Park Lamps
Rear Windows
Figure 5:

Vanity Mirrors, Courtesy/Reading Lamps and Office Work Lamp


Object Number: 875654  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Rear Window Switches
Auxiliary Lighting Control, Right Door Courtesy Lamps and Rear Compartment Lamp
Courtesy Lamp Switch, Left Door Courtesy Lamps, and I/P Compartment Lamp
G400 - 1 of 2