Question:
4 way plug on 1992 Dodge Dakota has a blue wire what is that for. Pickup connector is a 4way has blue, brown, yelliw and green.
asked by: Patricia M
Helpful Expert Reply:
Normally blue isn't a color seen on 4-way trailer wiring, but based on the other colors you have it most likely is ground. Reason being brown is normally taillight, yellow is normally left turn/stop, and green is normally right turn/stop. Usually ground is white though.
