Forum Discussion

Leichardti's avatar
Leichardti
Explorer III
May 11, 2017

Help finding Short/Open loop in trailer brake system.

2004 WW fB200 Toyhauler The trailer brake unit inside my truck is showing a short or open loop code. My friends truck says the same thing when I plug the trailer into his truck. The +, ground an...
MFL's avatar
MFL
Nomad II
May 11, 2017
You may have some chaffed wires inside the axle tube, or right at entry hole into tube, causing a short, if you are actually experiencing intermittent braking, as indicated on your controller.

Jerry

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