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

Park Lamp Relay - w/o VD1


Object Number: 1464265  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Park Lamp Relay - w/VD1
B+ Bus - 1 of 2
Headlights/DRL Controls
G203 - 2 of 3
Figure 2:

Park Lamp Relay - w/VD1


Object Number: 1464266  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Front Park Lamps (w/o Z75/YD1)
Park Lamp Relay - w/o VD1
B+ Bus - 1 of 2
Daytime Running Lamps (DRL) - w/o VD1
Headlights/DRL Controls
G203 - 2 of 3
Figure 3:

Front Park Lamps - w/o Z75


Object Number: 1464267  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Front Park Lamps - Z75
Park Lamp Relay - w/VD1
Left Turn Signals - w/o VD1
Park Lamp Relay - w/o VD1
Right Turn Signals - w/o VD1
G100 and G105 - 2 of 4
G100 and G105 - 1 of 4
G100 and G105 - 1 of 4
Figure 4:

Front Park Lamps - Z75


Object Number: 1528441  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Front Park Lamps - VD1
Front Park Lamps (w/o Z75/YD1)
Left Turn Signals - w/o VD1
Park Lamp Relay - w/o VD1
Right Turn Signals - w/o VD1
G100 and G105 - 2 of 4
G100 and G105 - 1 of 4
G100 and G105 - 1 of 4
Figure 5:

Front Park Lamps - w/VD1


Object Number: 1464268  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Interior Park
Front Park Lamps - Z75
FRT PARK, DRL, INT PARK, and TRL PARK Fuses - w/VD1
Daytime Running Lamps (DRL) - w/VD1
Daytime Running Lamps (DRL) - w/VD1
G100 and G105 - 4 of 4
G100 and G105 - 1 of 4
G100 and G105 - 3 of 4
Figure 6:

Interior Park


Object Number: 1464270  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Rear Park Lamps - w/o Z75
Front Park Lamps - VD1
FRT PARK, INT PARK, and TRL PARK Fuses - Except VD1
Trailer Wiring
G200 - 1 of 3
G410 1 of 3
Figure 7:

Rear Park Lamps - w/o Z75


Object Number: 1464272  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Rear Park Lamps - w/Z75
Interior Park
LR PARK and RR PARK Fuses
License Lamps - w/NYS
G401 and G402
G401 and G402
Figure 8:

Rear Park - w/Z75


Object Number: 1531172  Size: FS
Master Electrical Component List
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
License Lamps - w/NYS
Rear Park Lamps - w/o Z75
LR PARK and RR PARK Fuses
Right Turn Signals - w/o VD1
G401 and G402
Left Turn Signals - w/o VD1
G401 and G402
Figure 9:

License Lamps - w/NYS


Object Number: 1464273  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Stop Lamps - 1 of 2
Rear Park Lamps - w/Z75
Rear Park Lamps - w/o Z75
Rear Park Lamps - w/o Z75
G401 and G402
G401 and G402
Figure 10:

Stop Lamps 1 of 2


Object Number: 1464278  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Stop Lamps - 2 of 2
License Lamps - w/NYS
B+ Bus - 1 of 2
Stop Lamps - 2 of 2
RR WPR, STOP LP, TREC, VEH CHMSL, VEH STOP, and 4WS Fuses
Trailer Wiring
Content Theft Deterrent - 2 of 2
Figure 11:

Stop Lamps 2 of 2


Object Number: 1464279  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Turn Signal/Multifunction Switch
Stop Lamps - 1 of 2
Stop Lamps - 1 of 2
G410 1 of 3
G306
Figure 12:

Turn Signal/Malfunction Switch


Object Number: 1464283  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Left Turn Signals - w/o VD1
Stop Lamps - 2 of 2
Ignition Switch - ACCY/RUN and RUN/START Busses, and IGN B Fuse
IGN E and SIR Fuses
IGN E and SIR Fuses
BLOWER, FLASH, HVAC/ECAS, LBEC 1, RR DEFOG, RR HVAC, TBC 2A, TBC 2B, and TBC 2C Fuses, and LT DOOR Breaker
G203 - 2 of 3
G203 - 2 of 3
G203 - 3 of 3
G203 - 2 of 3
G203 - 2 of 3
G203 - 1 of 3
Figure 13:

Left Turn Signals - w/o VD1


Object Number: 1464287  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Left Turn Signals - VD1
Turn Signal/Multifunction Switch
Front Park Lamps (w/o Z75/YD1)
Front Park Lamps - Z75
Rear Park Lamps - w/Z75
G401 and G402
G100 and G105 - 1 of 4
Figure 14:

Left Turn Signals - w/VD1


Object Number: 1464291  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Right Turn Signals - w/o VD1
Left Turn Signals - w/o VD1
G100 and G105 - 1 of 4
G100 and G105 - 3 of 4
G401 and G402
Figure 15:

Right Turn Signals - w/o VD1


Object Number: 1464294  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Right Turn Signals - VD1
Left Turn Signals - VD1
Front Park Lamps (w/o Z75/YD1)
Front Park Lamps - Z75
Rear Park Lamps - w/Z75
G401 and G402
G100 and G105 - 2 of 4
Figure 16:

Right Turn Signals - w/VD1


Object Number: 1464296  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Exterior Illumination Lamps
Right Turn Signals - w/o VD1
G100 and G105 - 4 of 4
G401 and G402
G100 and G105 - 1 of 4
Figure 17:

Exterior Illumination Lamps


Object Number: 1464298  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Trailer Wiring
Right Turn Signals - VD1
Lighting Systems Schematic Icons
Power, Ground, DLC, and Splice Pack SP205
Figure 18:

Trailer Wiring


Object Number: 1464305  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Backup Lamps
Exterior Illumination Lamps
LR PARK and RR PARK Fuses
B+ Bus - 1 of 2
Stop Lamps - 1 of 2
G200 - 3 of 3 - S345
G200 - 1 of 3
G401 and G402
Interior Park
Backup Lamps
Figure 19:

Backup Lamps


Object Number: 1464307  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Trailer Wiring
Ignition Switch - ACCY/RUN and RUN/START Busses, and IGN B Fuse
BTSI, B/U LP, O2A, O2B, SEO IGN, TBC IGN 1, and TRL B/U Fuses
Trailer Wiring
Rear Object Sensor Control Module, RPA Display, and RPA Disable Switch
Ground and Electrochromic
G401 and G402
G401 and G402