Trailer brake help - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 12-05-2012, 03:15 PM Thread Starter
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Trailer brake help

Im having issues with my trailer brakes, The brakes dont work my controler pulls up a error im using a draw tite activator 2 controller. Could this be a wiring issue or something with the controller itself. It will not let me set the brake strength either. Lights on the trailer work properly

I installed l.e.d tail lights with the resistors but i did not install one on the led third brake light i also have l.e.d lights under my tail gate, for those i tapped into the running light wire in the harness could this be part of the issue with the brakes and my tc unlocking with my hazards or blinker on.
I already checked all the bulbs they are good besides one in my gauge cluster and i replaced the blinker switch as well. Not sure how to replace the cluster light so i have not tried to change it yet.

Any help would be awesome, thanks

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post #2 of 6 Old 12-05-2012, 03:27 PM
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I would be looking that the wiring going from the truck to the controller.

You need

12+
Ground
Brake signal(input from brake pedal)
brake output(going back to trailer)

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post #3 of 6 Old 12-05-2012, 04:28 PM
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I had just replaced my controller due to it being not adjustable. But all of my wiring harness was under the dash using a factory plug in.

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post #4 of 6 Old 12-05-2012, 04:34 PM
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STILL, check it

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post #5 of 6 Old 12-05-2012, 04:58 PM
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you should have a 12v constant on the black lead and 12v with the brake depressed on red. White is ground. You should have a 30amp fuse that is for the 12v constant.

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post #6 of 6 Old 12-05-2012, 05:33 PM
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When you connected the wires up did you go color to color, or did you make sure to connect according to their function. I don't think they are the same. It's been a while, but I would start by testing the factory wires first.


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