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

Sedan


Object Number: 1638509  Size: FS
Master Electrical Component List
Luggage Compartment Description and Operation (Sedan)
Control Module References
Extended Sedan
Low Speed Serial Data
Door Lock Switches
Underhood Fuse Block, RBEC 2, RUN RLY, Body Control Module (BCM) HVAC BLOWER HIGH Relay, RUN Relay, HVAC BLOWER, HVAC CTRL (IGN), Rear Fuse Block, FUEL/PMP Relay, PARK LP Relay, TRUNK Relay, DRV ST
Switches
Inputs
G303
G302
Figure 2:

Extended Sedan


Object Number: 1638510  Size: FS
Master Electrical Component List
Luggage Compartment Description and Operation (Extended Sedan)
Control Module References
Sedan
Low Speed Serial Data
Door Lock Switches
Underhood Fuse Block, RBEC 2, RUN RLY, Body Control Module (BCM) HVAC BLOWER HIGH Relay, RUN Relay, HVAC BLOWER, HVAC CTRL (IGN), Rear Fuse Block, FUEL/PMP Relay, PARK LP Relay, TRUNK Relay, DRV ST
Switches
Inputs
G302
G303
G302