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

Driver Door Module


Object Number: 660023  Size: FS
Master Electrical Component List
Power Windows Description and Operation
Driver Door Module Inputs and Outputs
Left Underhood Fuse Block- BAT 1/ Rear Fuse Block- RDM, C/LTR, DDM, HTDST L, TRK REL Fuses and Trunk Lid Release Relay/ IP Fuse Block- PDM, SBM, CSTR/SBM Fuses
Battery Feed to Left and Right Underhood Fuse Blocks
Driver Outside Rearview Mirror
Class 2 Serial Data Line
Right Underhood Fuse Block- PWR WDO Circuit Breaker/Rear Fuse Block-RDO/PH, SUNRF Fuses and RAP Relay
Automatic Day-Night Mirrors Schematics
G202 (1 of 4)
G202 (4 of 4)
Front Windows
Figure 2:

Driver Door Module Inputs and Outputs


Object Number: 660030  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Passenger Door Module
Driver Door Module
Driver Outside Rearview Mirror
Driver Door Controls
Figure 3:

Passenger Door Module


Object Number: 660031  Size: FS
Master Electrical Component List
Outside Mirror Description and Operation
Passenger Door Module Inputs and Outputs
Driver Door Module Inputs and Outputs
Left Underhood Fuse Block- BAT 1/ Rear Fuse Block- RDM, C/LTR, DDM, HTDST L, TRK REL Fuses and Trunk Lid Release Relay/ IP Fuse Block- PDM, SBM, CSTR/SBM Fuses
Battery Feed to Left and Right Underhood Fuse Blocks
Right Underhood Fuse Block- PWR WDO Circuit Breaker/Rear Fuse Block-RDO/PH, SUNRF Fuses and RAP Relay
Passenger Outside Rearview Mirror
G201 (1 of 2)
Passenger Outside Rearview Mirror
Front Windows
Figure 4:

Passenger Door Module Inputs and Outputs


Object Number: 660032  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Rear Door Module
Passenger Door Module
Front Passenger Door Controls
Figure 5:

Rear Door Module


Object Number: 660033  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Rear Door Module Inputs and Outputs
Passenger Door Module Inputs and Outputs
Left Underhood Fuse Block- BAT 1/ Rear Fuse Block- RDM, C/LTR, DDM, HTDST L, TRK REL Fuses and Trunk Lid Release Relay/ IP Fuse Block- PDM, SBM, CSTR/SBM Fuses
Battery Feed to Left and Right Underhood Fuse Blocks
Right Underhood Fuse Block- PWR WDO Circuit Breaker/Rear Fuse Block-RDO/PH, SUNRF Fuses and RAP Relay
Right Underhood Fuse Block- PWR WDO Circuit Breaker/Rear Fuse Block-RDO/PH, SUNRF Fuses and RAP Relay
G400 (2 of 2)
G201 (1 of 2)
Figure 6:

Rear Door Module Inputs and Outputs


Object Number: 660034  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Rear Door Module
Rear Power Window Components
Rear Door Controls