7 PIN TOWING CONNECTOR

If the tail lights work on the rv but not through the connector, look for a problem in the wiring between the rear rv lights and your connector. The rv lights are fused but they are generally not fused past that point.

Not sure about your MH but most trucks come pre wired for 12V power to the 7 pin plug. The lead is usually next to but not connected to the battery or in some cases is connected but a relay is missing (not plugged in) to complete the circuit. Check for a wire hanging near the MH battery with an eyelet. It also could be connected but the fuse not plugged in.
It may be mentioned in the MH operator manual re: the 7 pin plug. The manual should describe the fuse block and its location.

1. No the 7 pin is not fused.
2. Please don't type in all caps.
3. Welcome to the forum.

Click HERE for more troubleshooting help....Dennis

THE FUSSES COULD BE ALMOST ANYWHERE. I FOUND MINE ON THE BATTERY. THEN AGAIN THE TOEING CONNECTER COULD BE FAULTY. GOOD THING THE BREAKS WORK.