Forum Discussion
kaydeejay
Feb 24, 2014Explorer
Iraqvet05 wrote:Hmm, that's also news to me. When did GM start that link, it's certainly not so on my 2005?kaydeejay wrote:Nevermind...it doesn't. I was thinking of the 12V battery charge feed for the 7 pin connector that is only energized with the tow button on.Iraqvet05 wrote:I'm curious - since when did the tow/haul button have any effect on how an after-market brake controller works?
............ Also makes sure the tow/haul button is pushed in when you test it.
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