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

Turn Signal/Hazard Flasher Module Inputs


Object Number: 885700  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Turn Signal Lamps and Indicators
TSIG/HAZ, STOP LP, AUDIO, and CD Fuses
IGN-1, VENT SOL, and SIR Fuses
IGN-1, VENT SOL, and SIR Fuses
G201 - 1 of 2
G201 - 1 of 2
I/P and Console Dimming
Figure 2:

Turn Signal Lamps and Indicators


Object Number: 885701  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Stop Lamps
Turn Signal/Hazard Flasher Module Inputs
Head Up Display
DIM, RIM, and PCM Signals - Seat Belt, High Beam, Air Bag, and Turn Signal Indicators
G402
G402
Left Park and Side Marker Lamps
G103
Right Park and Side Marker Lamps
G401 - 2 of 2
G401 - 2 of 2
Figure 3:

Stop Lamps


Object Number: 1547017  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Left Park and Side Marker Lamps
Turn Signal Lamps and Indicators
Power, Ground, and BPMV Valve - 4.6L
Power, Ground, and BPMV Valve - 3.8L
Cruise Control Module, and VSS
Left Park and Side Marker Lamps
Left Park and Side Marker Lamps
Right Park and Side Marker Lamps
Right Park and Side Marker Lamps
G402
G402
G401 - 2 of 2
G401 - 2 of 2
Figure 4:

Left Park and Side Marker Lamps


Object Number: 885702  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Right Park and Side Marker Lamps
Stop Lamps
Park LP Relay and License Lamps
Turn Signal Lamps and Indicators
Stop Lamps
G402
G402
G103
Figure 5:

Right Park and Side Marker Lamps


Object Number: 1364587  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Park LP Relay and License Lamps
Left Park and Side Marker Lamps
Park LP Relay and License Lamps
Turn Signal Lamps and Indicators
Stop Lamps
G103
G401 - 2 of 2
G401 - 2 of 2
Figure 6:

Park LP Relay and License Lamps


Object Number: 885706  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Backup Lamps
Right Park and Side Marker Lamps
Right Park and Side Marker Lamps
Left Park and Side Marker Lamps
DRL Controls and Low Beam Headlamps
G401 - 2 of 2
Figure 7:

Backup Lamps


Object Number: 885711  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Park LP Relay and License Lamps
IGN SW and PRK/REV Fuses
IGN SW and PRK/REV Fuses
Inside RV Mirror Schematic
G401 - 2 of 2
G401 - 2 of 2
G402
G402