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
TSIG/HAZ, STOP LP, AUDIO, and CD Fuses (Fuse Block Rear)
G201 (1 of 2)
G201 (1 of 2)
IGN 1, Vent Sol, and SIR Fuses (Fuse Block Rear)
IGN 1, Vent Sol, and SIR Fuses (Fuse Block Rear)
IP and Console Dimming
Turn Signal Lamps and Indicators
Figure 2:

Turn Signal Lamps and Indicators


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

Stop Lamps


Object Number: 885703  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Left Park and Side Marker Lamps
G402
Power, Ground, and the BPMV Valve
Cruise Control Module and VSS
Left Park and Side Marker Lamps
G402
G401 (1 of 2)
Right Park and Side Marker Lamps
Right Park and Side Marker Lamps
G401 (1 of 2)
Left Park and Side Marker Lamps
Turn Signal Lamps and Indicators
Figure 4:

Left Park and Side Marker Lamps


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

Right Park and Side Marker Lamps


Object Number: 885704  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
G103
Turn Signal Lamps and Indicators
Park LP Relay and License Lamps
Stop Lamps
G401 (2 of 2)
G401 (2 of 2)
Park LP Relay and License Lamps
Left Park and Side Marker Lamps
Figure 6:

Park LP Relay and License Lamps


Object Number: 885706  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
G401 (2 of 2)
Right Park and Side Marker Lamps
Left Park and Side Marker Lamps
Low Beam Headlamps
Right Park and Side Marker Lamps
Backup Lamps
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
Inside RV Mirror Schematic
G401 (2 of 2)
G401 (2 of 2)
IGN SW, PRK/REV Fuses and the PARK and REVERSE Relays (Fuse Block Rear)
G402
G402
IGN SW, PRK/REV Fuses and the PARK and REVERSE Relays (Fuse Block Rear)