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 Signal/Hazard Flasher Module, Turn Signal and Hazard Switch
Low Beam Headlamps (Domestic)
Rear Fuse Block- LP PK R and LP PK L Fuses, PRK LP Relay
License and Cornering Lamps
Left Tail Lamp
Front Park/Turn and Side Marker Lamps
Right Tail Lamps
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 Lamps
Headlamp Switch and Park Lamp Relay
Fuse Block- SIR, VENT SOL, IGN 1Fuse
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 Signal/Hazard Flasher Module, Turn Signal and Hazard Switch
Left Tail Lamp
G302 (3 of 3)
G401
G402 (2 of 2)
G402 (2 of 2)
G402 (1 of 2)
Power, Ground, Stop Lamp Switch, Solenoid Valves and Pump Motor
Cruise Control Module PCM Inputs and Vehicle Speed Input
Rear Fuse Block- RR BLO, RRDR MDL, HVAC BAT, STOP LP, IGN SW, TSIG/HAZ Fuse
Headlamp Switch and 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 Lamps
G402 (1 of 2)
Right Tail Lamps
Headlamp Switch and Park Lamp Relay
Figure 5:

Front Park/Turn and Side Marker Lamps


Object Number: 795821  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Outside Rearview Mirror Turn Signals
Left Tail Lamp
G104
Turn Signal/Hazard Flasher Module, Turn Signal and Hazard Switch
Turn Signal/Hazard Flasher Module, Turn Signal and Hazard Switch
Headlamp Switch and Park Lamp Relay
Headlamp Switch and Park Lamp Relay
Figure 6:

Outside Rearview Mirror Turn Signals


Object Number: 888599  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
License and Cornering Lamps
Front Park/Turn and Side Marker Lamps
Front Park/Turn and Side Marker Lamps
Front Park/Turn and Side Marker Lamps
G200
G201 (3 of 3) and G202
Figure 7:

License and Cornering Lamps


Object Number: 795825  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Headlamp Switch and Park Lamp Relay
Outside Rearview Mirror Turn Signals
G104
G402 (2 of 2)
G402 (2 of 2)
G402 (1 of 2)
Dimming Control
Headlamp Switch and 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 Signal/Flasher Module and Hazard Switch
License and Cornering Lamps
Rear Fuse Block- LP PK R and LP PK L Fuses, PRK LP Relay
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 and Park Lamp Relay
Fuse Block- SIR, VENT SOL, IGN 1Fuse
Front Park/Turn and Repeater Lamps
G201 (2 of 3)
G201 (2 of 3)
Front Park/Turn and Repeater Lamps
Instrument Panel Dimming
Fuse Block- SIR, VENT SOL, IGN 1Fuse
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 Signal/Flasher Module and 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
Rear Fuse Block- RR BLO, RRDR MDL, HVAC BAT, STOP LP, IGN SW, TSIG/HAZ Fuse
Figure 4:

Front Park/Turn and Repeater Lamps


Object Number: 899207  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Standing and Position Lamp Relays
Tail Lamps
G104
G104
G104
G200
G201 (3 of 3) and G202
Turn Signal/Flasher Module and Hazard Switch
Turn Signal/Flasher Module and 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 and Park Lamp Relay
Tail Lamps
Headlamp Switch and Park Lamp Relay
G104
G104
Rear Fuse Block- AUDIO AMP, EXPORT LTG/PWR LK Fuses
Rear Fuse Block- AUDIO AMP, EXPORT LTG/PWR LK Fuses
Headlamp Switch and Park Lamp Relay
Headlamp Switch and 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 and 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 and 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 Signal/Flasher Module and Hazard Switch
License and Cornering Lamps
Low Beam Headlamps (Domestic)
Rear Fuse Block- LP PK R and LP PK L Fuses, PRK LP Relay
License and Cornering Lamps
Left Tail Lamp
Front Park/Turn and Side Marker Lamps
Right Tail Lamp and Center High Mounted Stop 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 and Center High Mounted Stop Lamp
Headlamp Switch and Park Lamp Relay
Fuse Block- SIR, VENT SOL, IGN 1Fuse
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
Rear Fuse Block- RR BLO, RRDR MDL, HVAC BAT, STOP LP, IGN SW, TSIG/HAZ Fuse
Fuse Block- SIR, VENT SOL, IGN 1Fuse
Figure 3:

Right Tail Lamp and Center High Mounted Stop Lamp (CHMSL)


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

Left Tail Lamp


Object Number: 795836  Size: FS
Figure 5:

Front Park/Turn and Side Marker Lamps


Object Number: 899211  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Outside Rearview Mirror Turn Signals
Left Tail Lamp
Outside Rearview Mirror Turn Signals
Outside Rearview Mirror Turn Signals
G104
Turn Signal/Flasher Module and Hazard Switch
Turn Signal/Flasher Module and Hazard Switch
Headlamp Switch and Park Lamp Relay
Headlamp Switch and Park Lamp Relay
Figure 6:

Outside Rearview Mirror Turn Signals


Object Number: 888599  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
License and Cornering Lamps
Front Park/Turn and Side Marker Lamps
Front Park/Turn and Side Marker Lamps
Front Park/Turn and Side Marker Lamps
G200
G201 (3 of 3) and G202
Figure 7:

License and Cornering Lamps


Object Number: 795853  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Backup Lamps Schematics
Outside Rearview Mirror Turn Signals
G104
G402 (2 of 2)
G402 (2 of 2)
G402 (1 of 2)
Dimming Control
Headlamp Switch and Park Lamp Relay

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 Signal/Hazard Flasher Module and Hazard Switch
Backup Lamps Schematics
Low Beam Headlamps (Domestic)
Rear Fuse Block- LP PK R and LP PK L Fuses, PRK LP Relay
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 and Center High Mounted Stop Lamp
Headlamp Switch and Park Lamp Relay
Fuse Block- SIR, VENT SOL, IGN 1Fuse
Front Park/Turn and Side Marker Lamps
G201 (2 of 3)
G201 (2 of 3)
Console Dimming
Instrument Panel Dimming
Rear Fuse Block- RR BLO, RRDR MDL, HVAC BAT, STOP LP, IGN SW, TSIG/HAZ Fuse
Figure 3:

Right Tail Lamp and Center High Mounted Stop Lamp (CHMSL)


Object Number: 795857  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Left Tail Lamp
Turn Signal/Hazard Flasher Module and Hazard Switch
G302 (3 of 3)
Left Tail Lamp
G401
G402 (2 of 2)
G402 (2 of 2)
G402 (1 of 2)
Power, Ground, Stop Lamp Switch, Solenoid Valves and Pump Motor
Cruise Control Module PCM Inputs and Vehicle Speed Input
Rear Fuse Block- RR BLO, RRDR MDL, HVAC BAT, STOP LP, IGN SW, TSIG/HAZ Fuse
Headlamp Switch and 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 and Center High Mounted Stop Lamp
G302 (3 of 3)
G402 (1 of 2)
Right Tail Lamp and Center High Mounted Stop Lamp
Headlamp Switch and Park Lamp Relay
Figure 5:

Front Park/Turn and Side Marker Lamps


Object Number: 899214  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Outside Rearview Mirror Turn Signals
Left Tail Lamp
Front Park/Turn and Side Marker Lamps
Turn Signal/Hazard Flasher Module and Hazard Switch
Turn Signal/Hazard Flasher Module and Hazard Switch
Outside Rearview Mirror Turn Signals
Outside Rearview Mirror Turn Signals
Headlamp Switch and Park Lamp Relay
Headlamp Switch and Park Lamp Relay
Figure 6:

Outside Rearview Mirror Turn Signals


Object Number: 888599  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
License and Cornering Lamps
Front Park/Turn and Side Marker Lamps
Front Park/Turn and Side Marker Lamps
Front Park/Turn and Side Marker Lamps
G200
G201 (3 of 3) and G202
Figure 7:

License and Cornering Lamps


Object Number: 795860  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Outside Rearview Mirror Turn Signals
G104
G402 (2 of 2)
G402 (2 of 2)
G402 (1 of 2)
Dimming Control
Headlamp Switch and Park Lamp Relay

Exterior Lights Schematics Domestic and Export (Backup Lights)


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