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

Inside Rearview Mirror, Dome Lamp, Footwell Courtesy Lamps, and Cargo Lamp


Object Number: 1472897  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Body Control Module (BCM) Programming/RPO Configuration
Door Lock and Window Switches, and Outside Rearview Mirror Switch
Fog Lights
TT5
Headlights/Daytime Running Lights (DRL) Schematics w/o TT5 (Late Production)
Interior Lights Dimming Schematics
B+ Bus - Underhood Fuse Block
Outside Mirror
OnStar Schematics
Splice Pack SP1`05 and G105 - 1 of 2
G300, G301, G302, and G303
Splice Pack SP1`05 and G105 - 1 of 2
Figure 2:

Door Lock, Window Switches, and Outside Rearview Mirror Switch


Object Number: 1472900  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Body Control Module (BCM) Programming/RPO Configuration
Door Jamb Switch
Inside Rearview Mirror, Dome Lamp, Footwell Lamps, and Cargo Lamp
B+ Bus - Underhood Fuse Block
B+ Bus - Underhood Fuse Block
Door Jamb Switch
Door Jamb Switch
Power Door Locks, Regular and Extended Cab
Crew Cab
Right Door Regular and Extended Cab
Right Door - Crew Cab
Power Door Locks, Regular and Extended Cab
Crew Cab
Right Door Regular and Extended Cab
Right Door - Crew Cab
Splice Pack SP1`05 and G105 - 1 of 2
Splice Pack SP106 and G106 - 1 of 2
Figure 3:

Door Jamb Switches


Object Number: 1472903  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Body Control Module (BCM) Programming/RPO Configuration
Door Lock and Window Switches, and Outside Rearview Mirror Switch
B+ Bus - Underhood Fuse Block
Door Lock and Window Switches, and Outside Rearview Mirror Switch
Rear Doors - Crew Cab
Splice Pack SP1`05 and G105 - 1 of 2
Rear Doors - Crew Cab
Splice Pack SP106 and G106 - 1 of 2
G300, G301, G302, and G303
G300, G301, G302, and G303