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ewarnerusa's avatar
ewarnerusa
Nomad
May 12, 2022

Explain how emergency trailer brake gets power?

I recently did some battery wiring maintenance on my TT and it occurred to me that I don't see where the emergency trailer brake gets its power. I mean the emergency pin that gets pulled out should yo...
BurbMan's avatar
BurbMan
Explorer II
May 12, 2022
That connection is inside the junction box where your 7-pin cord terminates at the trailer. The breakaway switch is wired to both 12v positive from the TT battery and the blue brake wire.

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