WFO
Full Access Member
- Joined
- Jan 6, 2017
- Posts
- 3,714
- Reaction score
- 5,103
- Location
- Texas Panhandle
- First Name
- Dan
- Truck Year
- 1986
- Truck Model
- K20
- Engine Size
- 350
1156 is single filament, 1157 is double. Courtesy light would need a single filament.