marpelExplorerMay 29, 2022Trailer BrakesAs per another thread, I have yet to change out the 7 pin cable. Prior to doing so, I decided to confirm whether the old cable is still usable. I hooked up the 7 pin to the truck (which recogniz...Show More
prichardsonExplorerMay 29, 2022You need to confirm that you are getting brake voltage at the truck side of the 7 pin connector. If not the problem is in the truck not the trailer.
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