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2017 Silverado Trailer Brakes

14850 Views 20 Replies 8 Participants Last post by  Larryboy_3t5
I'm planning on towing with my new truck, and it has a 7pin/4pin in the bumper. I was informed when buying the truck, that it was already wired to the dash for a trailer brake controller. So I went out and I bought the OEM AC Delco switch and plate and installed it myself. Here's my problem- The Trailer Gain page isn't in my display. I've been looking left and right trying to figure out anything on my own.

Is this missing software that I need real help on, or does it not show up until a trailer is plugged in? Also, does a 7 pin test plug work on tricking it into thinking trailer brakes are attached?

Any help would be greatly appreciated.
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With the Integrated Trailer Brake Control (ITBC), Trailer Gain should show up anytime on the DIC by pressing + or -. No need for a trailer to be connected. Does this happen?
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