all lights on trailer work except running lights. suggestions?
Check for power on the brown wire in the harness. Also check for ground (negative) on the white wire in the harness. Is the white wire on the trailor side of the connection bolted to the trailor? It needs to be in order to complete the ground(negative) side of the circuit.
Search Dodge Ram 1500 Questions
Dodge Ram 1500 Experts
Related Models For Sale