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
DSDP Don wrote:
If you're prewired, the loom will USUALLY consist of four wires, similar in color to the wires on your controller.
The issue with DP's is that they don't use a brake switch which triggers the braking system. They use pressure sensors on the firewall. You need something to trigger the system and make sure it doesn't come on with the exhaust/engine brake.
Explain what these sensors are if there are not the brake light switch. Air brake systems usually use a brake light switch that activated by air pressure when you apply the brakes. Most systems will use two switches that preform the same task.
Not hard to find as they are on or near the brake valve.
