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

Park Lamp Control, Turn Signal Inputs and Hazard Switch


Object Number: 1458657  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Turn Signal Lamps
B+ Bus - Rear Fuse Block
Ignition Switch - ACCY/RUN and RUN/START Bus Bar and IGN B Fuse
BCK/UP REV LK OUT, BTSI, and IGN E Fuses
BCK/UP REV LK OUT, BTSI, and IGN E Fuses
B+ Bus Underhood Fuse Block
G103, G104
Fog Lights Schematics
Headlamp and Headlamp Dimmer Switch Control
G200
G103, G104
Figure 2:

Turn Signal Lamps


Object Number: 1458658  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Park Lamps
Park Lamp Control, Turn Signal Inputs and Hazard Switch
Trailer Tow
Park Lamps
Park Lamps
Park Lamps
Park Lamps
Trailer Tow
G105
G400, G401, G402, G404, G405
G100, G102
Figure 3:

Park Lamps


Object Number: 1458659  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Stop Lamps
Turn Signal Lamps
Park Lamp Control, Turn Signal Inputs and Hazard Switch
Turn Signal Lamps
Turn Signal Lamps
Turn Signal Lamps
Turn Signal Lamps
G400, G401, G402, G404, G405
G400, G401, G402, G404, G405
G105
G100, G102
Figure 4:

Stop Lamps


Object Number: 1458660  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Backup Lamps
Park Lamps
B+ Bus Underhood Fuse Block
ABS, AUX PWR 2, ENG COOL FAN, HVAC BLWR, LTR, STOP, STOP/LP, and VEH CHMSL Fuses
Park Lamps
Trailer Tow
Park Lamps
G400, G401, G402, G404, G405
Figure 5:

Backup Lamps


Object Number: 1458662  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Trailer Tow
Stop Lamps
Ignition Switch - ACCY/RUN and RUN/START Bus Bar and IGN B Fuse
B+ Bus - Rear Fuse Block
BCK/UP REV LK OUT, BTSI, and IGN E Fuses
Data Link Connector Schematics
G400, G401, G402, G404, G405
Figure 6:

Trailer Tow


Object Number: 1458663  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Backup Lamps
Park Lamp Control, Turn Signal Inputs and Hazard Switch
Turn Signal Lamps
Turn Signal Lamps
G400, G401, G402, G404, G405