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Troubleshooting Brake Controller that Says It's Not Connected to Trailer  

Updated 03/28/2016 | Published 03/24/2016

Question:

All of the lights on my trailer work but not the trailer breaks I get a messages saying the brakes are disconnected and check trailer brakes wiring

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Expert Reply:

This is a fairly common problem that is almost always due to corrosion on the trailer connectors. Check both the connector on the tow vehicle and on the trailer for corrosion and/or a bent pin and fix as needed.

I attached a help article on troubleshooting brake controllers for you to check out as well.

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Jameson C

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