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Trailer Brake Controller For A 2018 Chevrolet Silverado 2500  

Question:

4blade plug under dash what pin does what

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Expert Reply:

The Tekonsha Voyager Trailer Brake Controller # 39510 and The Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers # 3016 are the parts needed to activate the controller on your 2018 Chevrolet Silverado 2500.

This controller can position within 90 degrees in the vertical plane. It has a fine-tune adjustment for braking power and aggressiveness.

The harness plugs into the back of the controller and the other end plugs into built-in harness beneath your Chevrolet Silverado 2500's dash.

The black wire is for power, the white wire is for ground, the blue wire is for the controller, and the red wire is for reverse lights.

I attached a review video link below.

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Noah E

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