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

Park Lamp Relay, Switch, and Instrument Cluster - Domestic


Object Number: 1618823  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
License, Park and Front Side Marker Lamps - Domestic
GMLAN Low Speed (2 of 2)
Fuse Block Underhood Relays/Fuses: Park Lamp Relay, RT Park Fuse, Tilt/LK/LMP/CLM Relay Coils Fuse
Fuse Block Underhood Relays/Fuses: Park Lamp Relay, RT Park Fuse, Tilt/LK/LMP/CLM Relay Coils Fuse
G200 (2 of 2)
License, Park and Front Side Marker Lamps - Domestic
License, Park and Front Side Marker Lamps - Domestic
License, Park and Front Side Marker Lamps - Domestic
License, Park and Front Side Marker Lamps - Domestic
License, Park and Front Side Marker Lamps - Domestic
Tail Lamps, Rear Side Marker Lamps - Domestic
Figure 2:

License, Park, and Side Marker Lamps - Domestic


Object Number: 1618822  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Tail Lamps, Rear Side Marker Lamps - Domestic
Park Lamp Relay, Switch and Instrument Cluster - Domestic
Park Lamp Relay, Switch and Instrument Cluster - Domestic
Park Lamp Relay, Switch and Instrument Cluster - Domestic
Park Lamp Relay, Switch and Instrument Cluster - Domestic
Park Lamp Relay, Switch and Instrument Cluster - Domestic
Park Lamp Relay, Switch and Instrument Cluster - Domestic
Headlamps w/ TT6, Automatic Headlamp Dimming Relay
Headlamps w/ and w/o TT7/TT8
Headlamps w/ TT6, Automatic Headlamp Dimming Relay
Headlamps w/ and w/o TT7/TT8
G402 (1 of 2)
G104 (1 of 2)
Figure 3:

Tail Lamps - Domestic


Object Number: 1618819  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Backup Lamps, CHMSL - Domestic and Export
License, Park and Front Side Marker Lamps - Domestic
Park Lamp Relay, Switch and Instrument Cluster - Domestic
Fuse Block Right Rear Bussing
Backup Lamps, CHMSL - Domestic and Export
G401 (1 of 2)
Park Lamp Relay, Switch and Instrument Cluster - Domestic
G401 (2 of 2)
G402 (1 of 2)
G401 (2 of 2)
Figure 4:

Backup Lamps, CHMSL - Domestic, Export


Object Number: 1618818  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Front Turn Signal and Repeater Lamps, Hazard Switch - Domestic and Export
Tail Lamps, Rear Side Marker Lamps - Domestic
Fuse Block Left Rear Bussing
Tail Lamps, Rear Side Marker Lamps - Domestic
Power and Ground
Object Detection
GMLAN Low Speed (1 of 2)
G402 (1 of 2)
G402 (1 of 2)
Figure 5:

Front Turn Signal and Repeater Lamps, Hazard Switch - Domestic, Export


Object Number: 1618816  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Front Park Lamps, Rear Turn Signal Switch Signal, Left, Right Position and Standing Lamp Relays - Export
Backup Lamps, CHMSL - Domestic and Export
Front Fog Lamps
Front Fog Lamps
Dimming Lamps (1 of 3)
RIM Inputs and Outputs
RIM Inputs and Outputs
G104 (2 of 2)
G201 (1 of 2)
Figure 6:

Front Park Lamps, Rear Turn Signal SW Signal, LT, RT Position and Standing Lamp Relays - Export


Object Number: 1618813  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Tail Lamps, Rear Cornering/Side Marker Lamps - Export
Front Turn Signal and Repeater Lamps, Hazard Switch - Domestic and Export
Fuse Block Left Rear Bussing
Fuse Block Left Rear Bussing
Park Lamp Relay and Switch, License, Front Cornering/Side Marker Lamps and Instrument Cluster - Export
Tail Lamps, Rear Cornering/Side Marker Lamps - Export
Tail Lamps, Rear Cornering/Side Marker Lamps - Export
Park Lamp Relay and Switch, License, Front Cornering/Side Marker Lamps and Instrument Cluster - Export
Headlamps w/ and w/o TT7/TT8
Headlamps w/ and w/o TT7/TT8
G104 (1 of 2)
G200 (2 of 2)
Figure 7:

Tail Lamps - Export


Object Number: 1618812  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Park Lamp Relay and Switch, License, Front Cornering/Side Marker Lamps and Instrument Cluster - Export
Front Park Lamps, Rear Turn Signal Switch Signal, Left, Right Position and Standing Lamp Relays - Export
Front Park Lamps, Rear Turn Signal Switch Signal, Left, Right Position and Standing Lamp Relays - Export
Fuse Block Right Rear Bussing
Backup Lamps, CHMSL - Domestic and Export
G401 (1 of 2)
Front Park Lamps, Rear Turn Signal Switch Signal, Left, Right Position and Standing Lamp Relays - Export
G401 (2 of 2)
G402 (2 of 2)
G401 (1 of 2)
Figure 8:

Park Lamp Relay, Switch, and Instrument Cluster - Export


Object Number: 1618811  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Front Turn Signal Switch Signals, Brake Pedal Position Sensor - Domestic and Export
Tail Lamps, Rear Cornering/Side Marker Lamps - Export
Front Park Lamps, Rear Turn Signal Switch Signal, Left, Right Position and Standing Lamp Relays - Export
Front Park Lamps, Rear Turn Signal Switch Signal, Left, Right Position and Standing Lamp Relays - Export
Fuse Block Underhood Bussing
Fuse Block Underhood Relays/Fuses: Park Lamp Relay, RT Park Fuse, Tilt/LK/LMP/CLM Relay Coils Fuse
Fuse Block - Underhood Relays/Fuses: LT Park Fuse, License/Dimming Fuse
GMLAN Low Speed (2 of 2)
G200 (2 of 2)
G104 (1 of 2)
G402 (1 of 2)
G402 (1 of 2)
Figure 9:

Front Turn Signal Switch Signals, Brake Pedal Position Sensor - Domestic, Export


Object Number: 1618808  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Park Lamp Relay and Switch, License, Front Cornering/Side Marker Lamps and Instrument Cluster - Export
G200 (2 of 2)