Class A DP Trailer Brake Controller Wiring
We have a 2009 Mandalay 43A, and I need to install a trailer brake controller. The rear of the coach has a seven-pin connector, but there's no controller up front. I realize unless you have the same c...
Forum Discussion
glamisorbust wrote:
I just went through all of this myself. I have a 1999 holiday rambler endeavor diesel pusher. It did not come with the required wiring for brake controller. It was not pre-wired whatsoever. I had to wire the entire thing myself, which was quite a bit of work.
I had to run two wires from the front of the dash, through the firewall, and down the entire frame rail. It was a pain in the rear. I also had to find a power source up front for the controller and install a 7 pin connector out back. It was a big job but it's done now and I have been towing my big trailer trouble free.
My advice is to call the manufacturer that built the RV and get a tech on the phone. That's what I did, and they were able to tell me that my coach did not come with any trailer brake wiring.
Some of them come pre-wired and are labeled. They would be able to tell you exactly where the wires are located, if they are there.
Odd how a coach can cost $100k+ new and it gets skimped on $10 worth of wire even though it's wired for a trailer.
