Why are there no lights on my trailer?
Why are there no lights on my trailer? Many trailer problems are due to a poor grounding connection, which is usually the white wire coming out of the trailer plug. If the ground is poor, lights may work intermittently or not at all. Even if the wiring to the plug is adequate, make sure that the ground connections to the trailer frame are good. How do you ground a boat trailer with lights? Each lamp needs to be grounded either through its mounting studs being in direct contact with the trailer frame or by having a jumper wire ran from...