One thing to keep in mind. You will void the frame warranty by installing a hitch and towing. Lots of people do it, just make sure you install a good hitch. 2 people have suggested you run all new wires. That's good suggestion. BUT, unless you run all the new wires from the TV off separate fuses. You have not really gained anything. Tapping into the trailer harness at the rear of the coach is no different than adding a trailer plug to the back of a car/truck. I would however install inline fuses in the new harness to protect the rest of the harness. Your choice as to how you do it.