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

Parking Lamps


Object Number: 1769093  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Turn/Hazard Lamps
BCM (PWR), DASH, IP BATT 1, IP BATT 1A, LIGHTER, ONSTAR, PARK PWR OUTLET, PWR WINDOWS, RADIO (BATT 1), RADIO (ACCY), SUNROOF, and WIPER SW Fuses
References to Lighting - 1 of 2
G403, G502
G403, G502
G101
G401
G403, G502
Figure 2:

Turn/Hazard Lamps


Object Number: 1769094  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Stop Lamps
Parking Lamps
Turn Signal/Multifunction Switch, Instrument Panel Cluster, I/P Dimmer Switch, Hazard Switch, Fog Lamp Switch, Traction Control Switch, and Radio
G203
G201
G101
G401
G403, G502
Figure 3:

Stop Lamps


Object Number: 1769095  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Backup Lamps
Turn/Hazard Lamps
BCM, ELECT, CLUSTER/AOS, EPS (60A), FUEL PUMP, HVAC, IGN SW, IP BATT 2, RUN (IGN3), and STOP Fuses, RUN and Fuel Pump Relays
G401
G401
G403, G502
Figure 4:

Backup Lamps


Object Number: 1769096  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Stop Lamps
ABS (IOA), BACK UP, BOOST, ECM, TRANS 1, and TRANS 2 Fuses
G401
G403, G502
G401
G403, G502