ok i got a trailer brake box from a buddy how would i go about how to hook up this brake box in ma truck it already has the trailer hook up in bumper but how would i go about doin this???
Do you have a 7 pin hook up at the bumper now, or is it just the basic brake, turn, tail lamp hook up? To hook up the brake controller you'll need to hook the brake wire from the box to a relay, and a large (10 guage if I remember correctly) from that to the brake pin in the rear connector.
You still need to figure out what type controller you have...... it's easy to hook up, basicly it's a transmitter that transmits a signal to the other black box that's mounted on the trailer. The box on the trailer applies current to the electro-magnetic brake caliper thingies which in-turn apllies the brakes etc....
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