2015 Chevy Traverse with factory installed towing package pre-installed. Plugged Reese Brakeman Compact into plug underneath dash; while not connected to trailer the light on the controller lights up when break pedal is pushed or manual control is used. When connected to trailer, controller light does not illuminate when either brake pedal or manual control are engaged. The controller was used on a 2007 Saturn Outlook and worked well. Moved it to the 2015 Chevy Traverse and does not work.
SOURCE: trailer brake controller problem
I found the problem. Talking with a technician from the controller company, we determined that it was a fuse problem. I found that the fuse to the CHMSL was blown.
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