Originally Posted by Chandler450
Unless I'm mistaken you should still be able to tie into the brake light circuit just like on a hydraulic system. Should be a switch under the dash connected to the peddle assembly.
Correct.
If the prodigy unit you have is a proportional system, it has a sensor in it that measures the deceleration of the tow vehicle and sets the amount of voltage going to the trailer brakes based on the deceleration of the tow vehicle. I have a P3 in my truck and it works like a dream. All you need is a direct connect from your battery +12v through a 20 or 30 amp fuse, a connection to your tow vehicle brake light switch, a ground connection and a wire to your trailer connector for the brakes.
Mike
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