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

Park Lamps


Object Number: 1257907  Size: FS
Master Electrical Component List
Exterior Lts - Stop Lamps
Power Distribution - Battery Feed
Power Distribution - Battery Feed
Ground Distribution - G104
Ground Distribution - G402
Ground Distribution - G401 Notchback
Ground Distribution - G101, G102, G105
Figure 2:

Stop Lamps


Object Number: 1630271  Size: FS
Master Electrical Component List
Exterior Lts - Turn signals
Exterior Lts - Park Lamps
Power Distribution - Battery Feed
Ground Distribution - G401 Notchback
Ground Distribution - G402
Ground Distribution - G401 Hatchback, G901
Ground Distribution - G402
Figure 3:

Turn Signals


Object Number: 1680385  Size: FS
Master Electrical Component List
Exterior Lts - Backup Lamps
Exterior Lts - Stop Lamps
Power Distribution - Battery Feed
Power Distribution - Battery Feed
Power Distribution - Battery Feed
Power Distribution - Battery Feed
Power Distribution - Battery Feed
Ground Distribution - G101, G102, G105
Ground Distribution - G101, G102, G105
Keyless Entry - Theft Deterrent and RKE Power and Ground
Interior Lts Dimm - w/Dimmer
Ground Distribution - G202 1of3
Ground Distribution - G101, G102, G105
Ground Distribution - G104
Ground Distribution - G401 Notchback
Ground Distribution - G202 1of3
Figure 4:

Backup Lamps


Object Number: 1630273  Size: FS
Master Electrical Component List
Exterior Lts - Turn signals
Power Distribution - Battery Feed
Power Distribution - Battery Feed
Power Distribution - Battery Feed
Power Distribution - Battery Feed
Ground Distribution - G402
Ground Distribution - G401 Hatchback, G901
Ground Distribution - G402