View Full Version : Trailer brake wire
02-14-2010, 06:09 PM
I am installing new wire to my trailer. My trailer brakes (one axle both sides) have a red and black wire. Does the black go to the trailer plug or ground on trailer? Previous wires were all melted together and had no color coating left.
02-14-2010, 08:54 PM
red will be for the brakes power black should be ground..
well after doing a search myself i could be wrong check out this :
02-14-2010, 10:39 PM
I am not 100 %. But it don't matter what wire you go with as long and you have one wire power and one ground. Its magnetic current will go either way. I have never wired a trailer that the wires where all messed. I've seen them where they all have one common ground and one at each wheel. I like the one common though. Hope this helps. Could just try it put wired together the press brakes and see what works also.
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02-14-2010, 11:24 PM
overtime is right. Just make sure both wires on both sides are the same. Mags go either way on current. I have rewired several trailers and I just make sure they are the same. I also WILL NOT ground my trailers through the hitch/ball. I always ground through the plug. -Jason
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