Brake Controller
I have posted several times about getting and older SAT dish to work. Solved the problem today by buying another coach. The "new" coach is a 07 HR ambasador. It does not have a brake controller for a ...
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I would recommend NOT going to just anyone to install the controller. On a SUV/PU, YES. Your RV, NO. You RV has air brakes so you need to find a brake signal that only supplies power when you step on the service pedal. Some RVs also have their brake lights operate when the eng/exhaust brake is operating.
Here is another reason why. My 06 HR was pre-wired BUT only worked correctly with one type of controller (roadmaster I believe is what the factory tech said). The majority of controllers today use a positive brake signal to operate. My HR is pre-wired with a constant hot brake signal (until you step on the service pedal). In order to get a correct brake signal required for a P3 controller, I had to install a relay and tap into a brake signal wire in the front run electrical bay (and there were two to choose from).
If you test each of the wires for their correct operation (ONCE YOU FIND THE CONNECTOR) it can be a DIY project. Factory schematics were of little help as what was suppose to be, wasn't. Might have been a mid-yr change or change by the previous owner (to support the 'toad is braking light' they installed).
Here is another reason why. My 06 HR was pre-wired BUT only worked correctly with one type of controller (roadmaster I believe is what the factory tech said). The majority of controllers today use a positive brake signal to operate. My HR is pre-wired with a constant hot brake signal (until you step on the service pedal). In order to get a correct brake signal required for a P3 controller, I had to install a relay and tap into a brake signal wire in the front run electrical bay (and there were two to choose from).
If you test each of the wires for their correct operation (ONCE YOU FIND THE CONNECTOR) it can be a DIY project. Factory schematics were of little help as what was suppose to be, wasn't. Might have been a mid-yr change or change by the previous owner (to support the 'toad is braking light' they installed).
