Rifleman Posted June 19, 2013 Share Posted June 19, 2013 I have a 34ft. gooseneck trailer with electric brakes and I would like to pull it with my MH 612. I have mounted the controller, hooked up the ground, the hot to the battery and the blue wire to the trailer connector. Now it says to hook the red to the cold side of the stoplight switch or brake switch, not sure where that is, can anyone help, Rifleman 1 Quote Link to comment Share on other sites More sharing options...
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