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

Park, Marker, and License Lamps


Object Number: 1740100  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Stop/Turn Signal Lamps Controls and Indicators
CHMSL BCK/UP, PRK LAMP, PWR SLD DR, and RFA MDLS Fuses
G100 and G101
G100 and G101
G100 and G101
G100 and G101
Headlights
Control, I/P, Passenger Door, and Steering Wheel Lamps
Switches
G200 - 2 of 2
G401
G400
G400
Figure 2:

Stop/Turn Signal Lamps Controls and Indicators


Object Number: 1740101  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Park/Turn and Stop/Turn Signal Lamps
Park, Marker, and License Lamps
G200 - 2 of 2
Driver Inputs, Indicators
Messages
Control, I/P, Passenger Door, and Steering Wheel Lamps
Data Communication Schematics
G200 - 2 of 2
Figure 3:

Stop/Turn Signal Lamps


Object Number: 1740102  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Backup Lamps
Stop/Turn Signal Lamps Controls and Indicators
BATT MAIN 2, HTD/SEATS, LT PWR SLD DR, PWR/MIR UGDO, RT PWR SLD DR, Sit-N-Lift Seat, and STOP/TRN Fuses, PWR SEATS and Sit-N-Lift Circuit Breaker
Driver Inputs, Indicators
Cruise Control Schematics
Engine Data Sensors - Pressure, Temperature, Extended Brake Travel, and VSS
G400
G401
G100 and G101
G100 and G101
G401
G302 - 1 of 2
G400
Figure 4:

Backup Lamps


Object Number: 1740103  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Trailer Wiring
Park/Turn and Stop/Turn Signal Lamps
CHMSL BCK/UP, PRK LAMP, PWR SLD DR, and RFA MDLS Fuses
Object Detection Schematics
G401
G400
G401
G400
Figure 5:

Trailer Wiring


Object Number: 1740104  Size: FS
Master Electrical Component List
Control Module References
Backup Lamps
BATT MAIN 3, ELC, and TRUNK/LKS Fuses
G401
Park, Marker, and License Lamps
Park/Turn and Stop/Turn Signal Lamps