Universal:
No
Make:
GMC
Model:
C25
Submodel:
BASE
Beginning Year:
1978
Ending Year:
1978
Engine Type:
V8
Engine Family:
Chevy small block Gen I
Engine Size:
5.0L/305
Wiring Harness Classification:
Parking lamp
Drivetrain:
RWD
Application Notes:
Brake warning switch to front light harness.
Universal:
No
Make:
GMC
Model:
C25
Submodel:
HIGH SIERRA
Beginning Year:
1978
Ending Year:
1978
Engine Type:
V8
Engine Family:
Chevy small block Gen I
Engine Size:
5.0L/305
Wiring Harness Classification:
Parking lamp
Drivetrain:
RWD
Application Notes:
Brake warning switch to front light harness.
Universal:
No
Make:
GMC
Model:
C25
Submodel:
SIERRA CLASSIC
Beginning Year:
1978
Ending Year:
1978
Engine Type:
V8
Engine Family:
Chevy small block Gen I
Engine Size:
5.0L/305
Wiring Harness Classification:
Parking lamp
Drivetrain:
RWD
Application Notes:
Brake warning switch to front light harness.
Universal:
No
Make:
GMC
Model:
C25
Submodel:
SIERRA GRANDE
Beginning Year:
1978
Ending Year:
1978
Engine Type:
V8
Engine Family:
Chevy small block Gen I
Engine Size:
5.0L/305
Wiring Harness Classification:
Parking lamp
Drivetrain:
RWD
Application Notes:
Brake warning switch to front light harness.