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Which Trailer Brake Magnet is the Ground Wire and Which is the Power Wire  

Question:

I am getting groud on both wires coming out of the backing plate all the time. I can not feed the magnets power if I am getting groud all the time. What is causing this? Everything is new from controller to wires to backing plates

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Expert Reply:

Trailer brake magnets are not polarity specific which means that either wire can be the power or ground wire. So basically you get to pick which of the two wires you want to be the ground or the power wire.

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Jameson C

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