GM Service Manual Online
For 1990-2009 cars only

Exterior Lights Schematics w/o V92/V4U/B9Q

Figure 1:

Headlamp Switch, Park Lamp Relay


Object Number: 795805  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Turn/Hazard Flasher Module, Hazard Switch
Low Beam Headlamps (Domestic)
Right PRK LP and Left PRK LP Fuses
License and Cornering Lamps
Left Tail Lamp
Front Park/Turn and Side Marker Lamps
Right Tail Lamp
Front Park/Turn and Side Marker Lamps
G200
Class 2 Serial Data (1 of 3)
Figure 2:

Turn/Hazard Flasher Module, Hazard Switch


Object Number: 795810  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Right Tail Lamp
Headlamp Switch, Park Lamp Relay
SIR, Vent Sol, and IGN 1 Fuses
Front Park/Turn and Side Marker Lamps
G201 2 of 3
G201 2 of 3
Front Park/Turn and Side Marker Lamps
Instrument Panel Dimming
Figure 3:

Right Tail Lamp


Object Number: 795813  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Left Tail Lamp
Turn/Hazard Flasher Module, Hazard Switch
Left Tail Lamp
G302 3 of 3
G401
G402 2 of 2
G402 2 of 2
G402 1 of 2
Power, Ground, Stoplamp Switch, Solenoid Valves and Pump Motor
Cruise Control Module PCM Inputs and Vehicle Speed Input
RR BLO, RR DR MDL, HVAC, Stop LP, IGN SW, and TSIG/HAZ Fuses
Headlamp Switch, Park Lamp Relay
Figure 4:

Left Tail Lamp


Object Number: 795818  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Front Park/Turn and Side Marker Lamps
Right Tail Lamp
G402 1 of 2
Right Tail Lamp
Headlamp Switch, Park Lamp Relay
Figure 5:

Front Park/Turn and Side Marker Lamps


Object Number: 899202  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
License and Cornering Lamps
Left Tail Lamp
G104
Turn/Hazard Flasher Module, Hazard Switch
Turn/Hazard Flasher Module, Hazard Switch
Headlamp Switch, Park Lamp Relay
Headlamp Switch, Park Lamp Relay
Figure 6:

License and Cornering Lamps


Object Number: 795825  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Headlamp Switch, Park Lamp Relay
Front Park/Turn and Side Marker Lamps
G104
G402 2 of 2
G402 2 of 2
G402 1 of 2
Dimming Control
Headlamp Switch, Park Lamp Relay

Exterior Lights Schematics Export

Figure 1:

Headlamp Switch, Park Lamp Relay


Object Number: 795861  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Turn/Hazard Flasher Module, Hazard Switch
License and Cornering Lamps
Right PRK LP and Left PRK LP Fuses
Low Beam Headlamps (Domestic)
License and Cornering Lamps
Standing and Position Lamp Relays
Standing and Position Lamp Relays
G200
Standing and Position Lamp Relays
Standing and Position Lamp Relays
Figure 2:

Turn/Hazard Flasher Module, Hazard Switch


Object Number: 795862  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Tail Lamps
Headlamp Switch, Park Lamp Relay
SIR, Vent Sol, and IGN 1 Fuses
Front Park/Turn and Repeater Lamps
G201 2 of 3
G201 2 of 3
Front Park/Turn and Repeater Lamps
Instrument Panel Dimming
SIR, Vent Sol, and IGN 1 Fuses
Figure 3:

Tail Lamps


Object Number: 795864  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Front Park/Turn and Repeater Lamps
Turn/Hazard Flasher Module, Hazard Switch
Cruise Control Module PCM Inputs and Vehicle Speed Input
Standing and Position Lamp Relays
G402 1 of 2
G402 2 of 2
G402 2 of 2
Standing and Position Lamp Relays
RR BLO, RR DR MDL, HVAC, Stop LP, IGN SW, and TSIG/HAZ Fuses
Figure 4:

Front Park/Turn and Repeater Lamps


Object Number: 795865  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Standing and Position Lamp Relays
Tail Lamps
G104
G104
G104
Turn/Hazard Flasher Module, Hazard Switch
Turn/Hazard Flasher Module, Hazard Switch
Figure 5:

Standing and Position Lamp Relays


Object Number: 795866  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
License and Cornering Lamps
Front Park/Turn and Repeater Lamps
Tail Lamps
Headlamp Switch, Park Lamp Relay
Tail Lamps
Headlamp Switch, Park Lamp Relay
G104
G104
Audio Amp and Export LTG/LK Fuses
Audio Amp and Export LTG/LK Fuses
Headlamp Switch, Park Lamp Relay
Headlamp Switch, Park Lamp Relay
Figure 6:

License and Cornering Lamps


Object Number: 795867  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Headlamp Switch, Park Lamp Relay
Standing and Position Lamp Relays
G104
G402 2 of 2
G402 2 of 2
G402 1 of 2
Dimming Control
Headlamp Switch, Park Lamp Relay

Exterior Lights Schematics w/V92

Figure 1:

Headlamp Switch, Park Lamp Relay


Object Number: 795830  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Turn/Hazard Flasher Module, Hazard Switch
License and Cornering Lamps
Low Beam Headlamps (Domestic)
Right PRK LP and Left PRK LP Fuses
License and Cornering Lamps
Left Tail Lamp
Front Park/Turn and Side Marker Lamps
Right Tail Lamp
Front Park/Turn and Side Marker Lamps
Class 2 Serial Data (1 of 3)
G200
G200
Figure 2:

Turn/Hazard Flasher Module, Hazard Switch


Object Number: 795833  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Right Tail Lamp
Headlamp Switch, Park Lamp Relay
SIR, Vent Sol, and IGN 1 Fuses
Front Park/Turn and Side Marker Lamps
G201 2 of 3
G201 2 of 3
Front Park/Turn and Side Marker Lamps
Instrument Panel Dimming
RR BLO, RR DR MDL, HVAC, Stop LP, IGN SW, and TSIG/HAZ Fuses
SIR, Vent Sol, and IGN 1 Fuses
Figure 3:

Right Tail Lamp and Center High Stop Lamp


Object Number: 795834  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Left Tail Lamp
Turn/Hazard Flasher Module, Hazard Switch
G302 3 of 3
G401
G402 2 of 2
G402 2 of 2
G402 1 of 2
Power, Ground, Stoplamp Switch, Solenoid Valves and Pump Motor
Cruise Control Module PCM Inputs and Vehicle Speed Input
Left Tail Lamp
Headlamp Switch, Park Lamp Relay
Headlamp Switch, Park Lamp Relay
Figure 4:

Left Tail Lamp


Object Number: 795836  Size: FS
Figure 5:

Front Park/Turn and Side Marker Lamps


Object Number: 795852  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
License and Cornering Lamps
Left Tail Lamp
G104
Turn/Hazard Flasher Module, Hazard Switch
Turn/Hazard Flasher Module, Hazard Switch
Headlamp Switch, Park Lamp Relay
Headlamp Switch, Park Lamp Relay
Figure 6:

License and Cornering Lamps


Object Number: 795853  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Backup Lamps
Front Park/Turn and Side Marker Lamps
G104
G402 2 of 2
G402 2 of 2
G402 1 of 2
Dimming Control
Headlamp Switch, Park Lamp Relay

Exterior Lights Schematics Backup

Backup Lamps


Object Number: 795868  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Headlamp Switch, Park Lamp Relay
License and Cornering Lamps
Rear Parking Aid Module - Power and Ground
Inside Rear View Mirror
G402 2 of 2
G402 2 of 2
Class 2 Serial Data (1 of 3)
Rear Fuse Block Battery Voltage
Rear Fuse Block Battery Voltage

Exterior Lights Schematics w/V4U/B9Q

Figure 1:

Headlamp Switch, Park Lamp Relay


Object Number: 795854  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Turn/Hazard Flasher Module, Hazard Switch
Backup Lamps
Low Beam Headlamps (Domestic)
Right PRK LP and Left PRK LP Fuses
Class 2 Serial Data (1 of 3)
G200
G200
Figure 2:

Turn/Hazard Flasher Module, Hazard Switch


Object Number: 795855  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Right Tail Lamp
Headlamp Switch, Park Lamp Relay
SIR, Vent Sol, and IGN 1 Fuses
Front Park/Turn and Side Marker Lamps
G201 2 of 3
G201 2 of 3
Console Dimming
Instrument Panel Dimming
RR BLO, RR DR MDL, HVAC, Stop LP, IGN SW, and TSIG/HAZ Fuses
Figure 3:

Right Tail Lamp and Center High Stop Lamp


Object Number: 795857  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Left Tail Lamp
Turn/Hazard Flasher Module, Hazard Switch
G302 3 of 3
Left Tail Lamp
G401
G402 2 of 2
G402 2 of 2
G402 1 of 2
Power, Ground, Stoplamp Switch, Solenoid Valves and Pump Motor
Cruise Control Module PCM Inputs and Vehicle Speed Input
RR BLO, RR DR MDL, HVAC, Stop LP, IGN SW, and TSIG/HAZ Fuses
Headlamp Switch, Park Lamp Relay
Figure 4:

Left Tail Lamp


Object Number: 795858  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Front Park/Turn and Side Marker Lamps
Right Tail Lamp
G302 3 of 3
G402 1 of 2
Right Tail Lamp
Headlamp Switch, Park Lamp Relay
Figure 5:

Front Park/Turn and Side Marker Lamps


Object Number: 795859  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
License and Cornering Lamps
Left Tail Lamp
Front Park/Turn and Side Marker Lamps
Turn/Hazard Flasher Module, Hazard Switch
Turn/Hazard Flasher Module, Hazard Switch
Headlamp Switch, Park Lamp Relay
Headlamp Switch, Park Lamp Relay
Figure 6:

License and Cornering Lamps


Object Number: 795860  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Front Park/Turn and Side Marker Lamps
G104
G402 2 of 2
G402 2 of 2
G402 1 of 2
Dimming Control
Headlamp Switch, Park Lamp Relay