Sierra 2020-2022 1/2

GMC

Installation Instructions:

Open the rear driver side door. Remove the top part of the weather seal. Reach above the headliner an pull the harness in black tape to access the wires.

Additional Information:

The manufacturer split the year when designing the vehicle. On 2022 models, the positive wire may be Brown/Yellow.

  • Positive Wire:

    Violet/White

  • Ground Wire

    Black

About wire colors:

In the event a wire has two colors listed, the first color is the base wire color. The second color is the tracer. For example, if the positive wire color is listed as "black/red." This means the wire is black with a red stripe.

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TROUBLESHOOT

Are you having issues with installation? Check out our troubleshooting guide for common errors associated with the installation of Brake Plus modules.

ERRORS?

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Troubleshooting Guide

Having issues? This guide can help you solve common issues with installation.

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