What fuse controls the trailer lights?
What fuse controls the trailer lights? Fuse 10 is your trailer backup lamps. Fuse 25 is your trailer park lamps. Does a trailer plug have a fuse? Yes, trailer wiring harness # 118269 does have a fuse in a black holder just below the large black converter box. If that fuse is fine then use the vehicle owners manual to find any fuses related to tow package wiring on the vehicle to check them. Do trailer lights have to be grounded to work? Each lamp needs to be grounded either through its mounting studs being in direct contact with the...