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MC9's avatar
MC9
Explorer
Apr 16, 2015

wiring fault

In your experience what has been the problem when the TBC flashes Trailer wiring fault or trailer disconnect?
  • Loose connection in the connector. It could be the adapter on the TV, the connector on the TV or the trailer.
  • Mousies chewing on trailer wires during Winter storage. Been there, done that. :(
  • in the trailer connector, pinch the jaws back together and used some electrical grease on blades in truck side of the plug. that's all I had to do on mine. I used 2 small flathead screwdrivers, needlenose pliers would probably work too.
  • MC9 wrote:
    In your experience what has been the problem when the TBC flashes Trailer wiring fault or trailer disconnect?


    When mine did it, the terminals had built up oxidation. I got this:

  • Thanks guys. Now that I made it home I'll work on it.