Trailer Brake Controller Alarm

MC9

Well-known member
As a snowbird going from AZ to MI, my info screen beeped on my 2008 Ford F-250 about Colorado Springs, CO. It read WIRING FAULT ON TRAILER. Pulled over and checked and found the 12 volt plug to my 12 volt 120 volt freezer was loose. Who would have thought the TBC brain could detect a 12 volt plug I added to the battery was loose?
 
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