GM Service Manual Online
For 1990-2009 cars only

Figure 1:

Front Turn Signal Lamps, Turn Signal Switch, Turn Signal Indicators and Hazard Warning Switch


Object Number: 675667  Size: FS
Master Electrical Component List original
Exterior Lighting Systems Description and Operation
Turn Signals
HIGH BLOWER, HAZARD, STOP LAMPS, DOOR LOCKS, POWER MIRRORS Fuses
BTSI, Turn Signals/CORN LPS, Air Bag, Cluster, PCM/BCM/Crank/IGN Fuses
Fused Distribution and Grounds
Ground G301 (1 of 3)
Ground G302 (2 of 2)
Ground G301 (1 of 3)
Figure 2:

Turn Signals


Object Number: 675671  Size: FS
Master Electrical Component List original
Exterior Lighting Systems Description and Operation
Front Park/Turn Signal Lamps, Front Cornering Lamps, Front Side Marker Lamps
Front Turn Signal Lamps, Turn Signal Switch, Turn Signal Indicators and Hazard Warning Switch
BTSI, Turn Signals/CORN LPS, Air Bag, Cluster, PCM/BCM/Crank/IGN Fuses
BTSI, Turn Signals/CORN LPS, Air Bag, Cluster, PCM/BCM/Crank/IGN Fuses
HIGH BLOWER, HAZARD, STOP LAMPS, DOOR LOCKS, POWER MIRRORS Fuses
Figure 3:

Front Park/Turn Signal Lamps, Front Cornering Lamps, Front Side Marker Lamps


Object Number: 675672  Size: FS
Master Electrical Component List original
Exterior Lighting Systems Description and Operation
Tail/Stop Lamps, Rear Side Marker Lamps and License Plate Lamps Feed
Turn Signals
Grounds G100, G101, G110
Figure 4:

Tail/Stop Lamps, Rear Side Marker Lamps and License Plate Lamps Feed


Object Number: 675670  Size: FS
Master Electrical Component List original
Exterior Lighting Systems Description and Operation
Tail/Stop Lamps, Rear Side Marker Lamps and License Plate Lamps
Front Park/Turn Signal Lamps, Front Cornering Lamps, Front Side Marker Lamps
Park Lamps, Front Park Lamps, Tail Lamps/Lic Lamps, Panel Dimming Fuses, Headlamp Switch, Headlamp and Parklamp Relays
Battery, MaxiFuses, Fusible Link, CRANK, FOG, A/C CLU, R/CMPT, R/PMP, HORN, and IGN Main Relays
Headlamps, Headlamp Switch and High Beam Indicator
Ground G201
Figure 5:

Tail/Stop Lamps, Rear Side Marker Lamps and License Plate Lamps


Object Number: 593564  Size: FS
Master Electrical Component List original
Exterior Lighting Systems Description and Operation
Center High Mounted Stop Lamp
Tail/Stop Lamps, Rear Side Marker Lamps and License Plate Lamps Feed
Ground G302 (2 of 2)
Ground G302 (2 of 2)
Figure 6:

Center High Mounted Stop Lamp


Object Number: 675675  Size: FS
Master Electrical Component List original
Exterior Lighting Systems Description and Operation
Backup Lamps
Tail/Stop Lamps, Rear Side Marker Lamps and License Plate Lamps
Power, Ground, and BPMV
Power, and Control Signals
HIGH BLOWER, HAZARD, STOP LAMPS, DOOR LOCKS, POWER MIRRORS Fuses
Ground G301 (1 of 3)
Ground G302 (2 of 2)
Figure 7:

Backup Lamps


Object Number: 675676  Size: FS
Master Electrical Component List original
Exterior Lighting Systems Description and Operation
Center High Mounted Stop Lamp
01 W-Car Olds: Automatic Day-Night Mirrors Schematics (Power and Grounds)
Battery, MaxiFuses, Fusible Link, CRANK, FOG, A/C CLU, R/CMPT, R/PMP, HORN, and IGN Main Relays
Ground G301 (3 of 3)
Ground G301 (2 of 3)
Ground G301 (1 of 3)