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Mrs__C_'s avatar
Mrs__C_
Explorer
Sep 16, 2016

Serious Brake-Locking, Intermittent - HELP NEEDED

Below is a write-up my husband did concerning our brake problem: Problem Statement Intermittently, the brakes of our fifth wheel trailer lock up for less than one second, while being towed by ou...
mike-s's avatar
mike-s
Explorer
Sep 17, 2016
Do the truck's brake and ABS lights ever come on when NOT towing? What brake controller - is it a built-in (not an add-on)?

Here's another vote for checking the breakaway switch. If it were to short, it would backfeed 12V into the truck's brake signal, which may cause the truck's brake controller to warn of a brake/ABS issue.

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