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Adding a Trailer Brake Controller for 2016 GMC Sierra 1500  


I want to add a trailer brake control to my 2016 gmc 1500 truck it only has the flat 4 plug pin on the back. Can I add a 7 plug pin and still have the wiring going back for the brakes ? I have two other 1500s 2014 and 2015 and they came with the 7 wire plug at the back but the 2016 did not. All three trucks have the receiver hitch.


Expert Reply:

To add a trailer brake controller such as the Prodigy P3 # 90195 you will only need Plug-In Adapter # 3016. The vehicle should be wired for towing already and you can use the Adapter 4-Pole to 7-Pole # 37185 to add a 7-way plug if you do not have one.

expert reply by:
Kyle S

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