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  1. Trailer rear camera hookup?

    General Chevy & GM Tech Questions
    I bought a 2020 GMC sierra that has camera jacks at the 7 pin hitch hookup. I have a travel trailer that i have hooked up a rear camera (used to view on a separate back up screen on top of my dash in old F150). I would like to use this camera instead of forking out $500 for one from GM. I...
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