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

Left Front Door


Object Number: 1546902  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Right Front Door
Serial Data Class 2
Simple Bus Interface (SBI)
Memory Function Switch Controls
Front Floor Lamps, and Heated Seat Dimming
Figure 2:

Right Front Door


Object Number: 1546905  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Left Rear Door
Left Front Door
Simple Bus Interface (SBI)
Right Front Door
Front Floor Lamps, and Heated Seat Dimming
Figure 3:

Left Rear Door


Object Number: 766654  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Right Rear Door
Right Front Door
Simple Bus Interface (SBI)
Figure 4:

Right Rear Door


Object Number: 766655  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Left Rear Door
Simple Bus Interface (SBI)