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

STOP/HAZ Fuse 1, Turn/Hazard Switch, Turn/Hazard Flasher


Object Number: 574598  Size: FS
Lighting Systems Components
Exterior Lights Circuit Description
Front Park and Turn Lamps, Roof Marker Lamps
AIR BAG, TURN B/U, CRANK, and TRANS Fuses
STOP/HAZ, RADIO BATT, and AUX PWR Fuses
Backup Lamps, Backup Switch
G200 (1 of 4)
G105 (1 of 2)
Cruise Control and Stoplamp Switches (Gas Engine)
AUX Fuse 22, Center High Mount Stop Lamp
Instrument Cluster, G103 and G104
Front Park and Turn Lamps, Roof Marker Lamps
Front Park and Turn Lamps, Roof Marker Lamps
Tail/Stop-Turn Lamps, Endgate Marker Lamps
Tail/Stop-Turn Lamps, Endgate Marker Lamps
Audible Warnings Schematics Base
Figure 2:

Front Park and Turn Lamps, Roof Marker Lamps


Object Number: 574600  Size: FS
Lighting Systems Components
Exterior Lights Circuit Description
Tail/Stop-Turn Lamps, Endgate Marker Lamps
STOP/HAZ Fuse 1, Turn/Hazard Switch, Turn/Hazard Flasher
Handling Electrostatic Discharge Sensitive Parts Notice
G200 (3 of 4)
G200 (1 of 4)
SECURITY/STRG, PK LPS, and DRL-FOG Fuses
Power Window Switch Illumination
Fog Lamp Switch, Relay and Lamps
G113
G112
Instrument Cluster, G103 and G104
STOP/HAZ Fuse 1, Turn/Hazard Switch, Turn/Hazard Flasher
Handling Electrostatic Discharge Sensitive Parts Notice
Tail/Stop-Turn Lamps, Endgate Marker Lamps
AUX Fuse 22, Center High Mount Stop Lamp
STOP/HAZ Fuse 1, Turn/Hazard Switch, Turn/Hazard Flasher
Figure 3:

Tail/Stop-Turn Lamps, Endgate Marker Lamps


Object Number: 574602  Size: FS
Lighting Systems Components
Exterior Lights Circuit Description
Instrument Cluster, G103 and G104
Front Park and Turn Lamps, Roof Marker Lamps
Front Park and Turn Lamps, Roof Marker Lamps
STOP/HAZ Fuse 1, Turn/Hazard Switch, Turn/Hazard Flasher
Trailer Tow
Trailer Tow
STOP/HAZ Fuse 1, Turn/Hazard Switch, Turn/Hazard Flasher
Trailer Tow
Figure 4:

Instrument Cluster, G103 and G104


Object Number: 574605  Size: FS
Lighting Systems Components
Exterior Lights Circuit Description
AUX Fuse 22, Center High Mount Stop Lamp
Tail/Stop-Turn Lamps, Endgate Marker Lamps
STOP/HAZ Fuse 1, Turn/Hazard Switch, Turn/Hazard Flasher
STOP/HAZ Fuse 1, Turn/Hazard Switch, Turn/Hazard Flasher
Indicator Lamps
Indicator Lamps
G103 and G104
Handling Electrostatic Discharge Sensitive Parts Notice
G103 and G104
Figure 5:

AUX Fuse 22, Center High Mount Stop Lamp


Object Number: 574606  Size: FS
Lighting Systems Components
Exterior Lights Circuit Description
CTSY Fuse 3, Cargo Lamp (Pickup Only)
Instrument Cluster, G103 and G104
G400
STOP/HAZ Fuse 1, Turn/Hazard Switch, Turn/Hazard Flasher
Figure 6:

CTSY Fuse 3, Cargo Lamp (Pickup Only)


Object Number: 574608  Size: FS
Lighting Systems Components
Exterior Lights Circuit Description
Trailer Tow
AUX Fuse 22, Center High Mount Stop Lamp
T CASE, and CTSY Fuses (1 of 2)
T CASE, and CTSY Fuses (1 of 2)
Rear Dome and Reading Lamps, Door Courtesy Lamps (Utility/Crew Cab w/ Auxiliary Lighting)
G202 (2 of 4)
STOP/HAZ Fuse 1, Turn/Hazard Switch, Turn/Hazard Flasher
Trailer Tow
Figure 7:

Trailer Tow


Object Number: 574610  Size: FS
Lighting Systems Components
Exterior Lights Circuit Description
CTSY Fuse 3, Cargo Lamp (Pickup Only)
Backup Lamps, Backup Switch
Tail/Stop-Turn Lamps, Endgate Marker Lamps
Tail/Stop-Turn Lamps, Endgate Marker Lamps
Tail/Stop-Turn Lamps, Endgate Marker Lamps