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Install Aftermarket Trailer Brake Controller, 2011 GMC Sierra w/Factory Integrated Brake Controller


My 2011 Sierra has a factory controller, which is apparently a proportional controller, but probably lacks some of the Teknosha Prodigy features. GM tow package description says the factory controller may be disconnected and a compatible after market unit substituted. If so, I was unable trace the wiring to anything that looks like a plug adaptor. Where is it?

asked by: Allen

Expert Reply:

There are several steps to follow when installing an aftermarket brake controller like the Tekonsha Prodigy, # 90185, on a 2011 GMC Sierra with a factory integrated brake controller. The factory installed controller will not need to be disconnected to install the Prodigy.

You will need to find the 4 or 5 blunt cut wires under the dash, slightly to the left and above the brake pedal. They will be held together with a white tag that should list the functions of the wires. It is these wires you will use to make the connections to the Prodigy brake controller.

I have included a link to an FAQ article that explains the entire process on installing an after market brake controller on a 2007 to 2011 Chevy or GMC full-size truck with a factory integrated brake controller. The FAQ will guide you through the process.

expert reply by: Michael H

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Products Referenced in This Question

Tekonsha Prodigy Trailer Brake Controller - 1 to 4 Axles - Proportional

Tekonsha Prodigy Trailer Brake Controller - 1 to 4 Axles - Proportional

66 reviews


Retail: $167.24

Price:  $124.95

Product Summary:

Proportional Controller
Digital Display
Vehicle Mount

Product Specs:

Automatic Leveling
2 - 8 Brakes
70 Degrees

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