Open the lift gate. The wires are in the thin harness on the driver side in between the hatch and the body of the truck. Remove the rubber grommet from the car side. This gives you plenty of wire to work with.
There are 3 types of Brake Plus modules: Regular, Black Stripe, Red Stripe
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Are you having issues with installation? Check out our troubleshooting guide for common errors associated with the installation of Brake Plus.