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Am I missing something? I went to hook up a small trailer to my truck yesterday and it had a 4 pin connector for lights. The bumper had 2 camera hookups, a 7 pin, and spare lock. Inside the bed was another 7 pin and finally a 4 pin. To me a 4 pin inside the bed doesn’t make sense, but why isn’t there one on the back bumper? Is there an adapter I misplaced somewhere or does GMC expect me to go purchase one?7339e6ce573319124ab4c43351eea734.jpg

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You can buy a 7 pin round to 5 pin flat adapter cheap. Also I swapped the bumper plug with the bed plug as I have a 5th wheel and the rear add on camera. I think it was Deltek that sells extensions for the camera cables.


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You can buy a 7 pin round to 5 pin flat adapter cheap. Also I swapped the bumper plug with the bed plug as I have a 5th wheel and the rear add on camera. I think it was Deltek that sells extensions for the camera cables.


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How easy is it to swap the 2? That makes way more sense than the way GM has it set up.


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It was easy. You just have to pop off the clip from behind that holds it and order the camera extension cables if you plan on using them.


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