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

Turn Signal, Hazard, and Stop Lamps Inputs


Object Number: 1888392  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Turn Signal, Hazard, and Stop Lamps Outputs
Fuse Block - Underhood Bussing
ONSTAR, INT LTS/PNL DIM, LT T/SIG, RT T/SIG, CHMSL/BCK-UP, INT LIGHTS, RVC SEN, and ECM/TCM Fuses
Power, Ground, and Low Speed GMLAN Serial Data
G202, and G204
Figure 2:

Turn Signal, Hazard, and Stop Lamps Outputs


Object Number: 1888393  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Park Lamps (1 of 2)
Turn Signal, Hazard, and Stop Lamps Inputs
G302
G302
G101, G102, and G111
G100
G302
Figure 3:

Park Lamps (1 of 2)


Object Number: 1888394  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Park Lamps (2 of 2)
Turn Signal, Hazard, and Stop Lamps Outputs
Fuse Block - Underhood Bussing
BATT 3, HTD MIR, FOG LAMPS, WSW, LT PARK, and RT PARK Fuses
Park Lamps (2 of 2)
G202, and G204
G202, and G204
G101, G102, and G111
G302
Figure 4:

Park Lamps (2 of 2)


Object Number: 1888395  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Backup and License Lamps
Park Lamps (1 of 2)
Park Lamps (1 of 2)
Backup and License Lamps
G302
G100
Figure 5:

Backup and License Lamps


Object Number: 1888396  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Emergency Vehicle Rear Compartment Lid Lamps and Spot Lamps - T53, 7X6, 7X7
Park Lamps (2 of 2)
Fuse Block - Underhood Bussing
ONSTAR, INT LTS/PNL DIM, LT T/SIG, RT T/SIG, CHMSL/BCK-UP, INT LIGHTS, RVC SEN, and ECM/TCM Fuses
Inside Rearview Mirror Schematics
Park Lamps (2 of 2)
G302
G302
G302
Figure 6:

Emergency Vehicle Rear Compartment Lid Lamps and Stop Lamps - T53, 7X6, 7X7


Object Number: 1888397  Size: FS
Master Electrical Component List
Keyless Entry System Description and Operation (without Accessory 2 Way Remote)
Control Module References
Backup and License Lamps
BATT 2, HTD/SEAT, AIRBAG, PWR/MIR Fuses, and PWR/SEAT Circuit Breaker
BATT 2, HTD/SEAT, AIRBAG, PWR/MIR Fuses, and PWR/SEAT Circuit Breaker
Fuse Block - Underhood Bussing
HDLP MDL, DISPLAY, LT SPOT, and RT SPOT Fuses
Theft Deterrent System Schematics
G302