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

Park Lamps


Object Number: 884647  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Turn/Hazard Lamps
Fuse Block-Underhood Fuses: IP BATT1 and IP BATT1A, BCM Fuses: BCM PWR, DASH, LIGHTER, ONSTAR, PARK, PWR OUTLET, PWR WINDOWS, RADIO (ACC.), RADIO (BATT1), SUN ROOF, and WIPER SW
BCM ELECT Fuse 2 of 2, Bcm (PWR) Fuse, and Subsystem References
G101
G401
G403 and G502
G403 and G502
Figure 2:

Turn/Hazard Lamps


Object Number: 884648  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Stop Lamps
Park Lamps
Interior Lights Dimming Schematics
G203
G201
G101
G401
G403 and G502
Figure 3:

Stop Lamps


Object Number: 884649  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Backup Lamps
Turn/Hazard Lamps
Fuse Block-Underhood Fuses: IP BATT2 and RUN (IGN3), BCM Fuses: BCM ELECT, CLUSTER, FUELPUMP, HVAC, IGN. SW, and STOP
Traction Control, DLC, and Indicators
G401
G401
G403 and G502
G401
G401
G403 and G502
Figure 4:

Backup Lamps


Object Number: 884110  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Stop Lamps
Fuse Block-Underhood Fuses: BACK UP, TRANS1, and TRANS2
G401
G403 and G502