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

Headlamp Switch and Park Lamp Control


Object Number: 581002  Size: FS
Lighting Systems Components
Exterior Lights Circuit Description
LH Park Lamps
Headlamp Switch and Headlamp Control
RH Park Lamps
G205
Battery Feeds
BODY 1 Fuse
LH Park Lamps
RH Park Lamps
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 2:

LH Park Lamps


Object Number: 581172  Size: FS
Lighting Systems Components
Exterior Lights Circuit Description
RH Park Lamps
Headlamp Switch and Park Lamp Control
BODY 1 Fuse
Turn Lamps
G101
Turn Lamps
Turn Lamps
Turn Lamps
G402
Figure 3:

RH Park Lamps


Object Number: 581174  Size: FS
Lighting Systems Components
Exterior Lights Circuit Description
Turn Signal Flasher, Hazard Flasher, and Stoplamp/AT Shift Lock CONTrOL Switch
LH Park Lamps
BODY 1 Fuse
Turn Lamps
G101
Turn Lamps
Turn Lamps
Headlamp Switch and Park Lamp Control
Turn Lamps
G402
Figure 4:

Turn Signal Flasher, Hazard Flasher, and Stoplamp/AT Shift Lock Control Switch


Object Number: 581175  Size: FS
Lighting Systems Components
Exterior Lights Circuit Description
Turn Lamps
RH Park Lamps
BATT 3 Fuse and Ignition Switch (1 of 2)
G201
Turn Lamps
Turn Lamps
Turn Lamps
Turn Lamps
LAMPS and IGN 1 Fuses
G401 (1 of 2)
PWR, GND, Stoplamp Switch, Solenoid Valves, and Pump Motor
Figure 5:

Turn Lamps


Object Number: 581179  Size: FS
Lighting Systems Components
Exterior Lights Circuit Description
Cornering Lamps
Turn Signal Flasher, Hazard Flasher, and Stoplamp/AT Shift Lock CONTrOL Switch
Turn Signal Flasher, Hazard Flasher, and Stoplamp/AT Shift Lock CONTrOL Switch
Turn Signal Flasher, Hazard Flasher, and Stoplamp/AT Shift Lock CONTrOL Switch
Turn Signal Flasher, Hazard Flasher, and Stoplamp/AT Shift Lock CONTrOL Switch
LH Park Lamps
RH Park Lamps
G101
LH Park Lamps
LH Park Lamps
LH Park Lamps
Turn Signal Flasher, Hazard Flasher, and Stoplamp/AT Shift Lock CONTrOL Switch
RH Park Lamps
RH Park Lamps
RH Park Lamps
G402
Handling ESD Sensitive Parts Notice
Figure 6:

Cornering Lamps


Object Number: 581180  Size: FS
Lighting Systems Components
Exterior Lights Circuit Description
Turn Lamps
BATT 3 Fuse and Ignition Switch (1 of 2)
G101