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Titan BrakeRite I Electric-Hydraulic Actuator # T4813102 on 2012 GMC Sierra with Factory ITBC


Hello, My 2012 GMC Denali 3500 dually has the ITBC on the dash. I am installing a Brake Rite II SD hooked up to triple axle disk brakes. I am backing down slippery boat ramps with a 9000 lb. boat. What is my best option, adapter or P3? Thanks!


Expert Reply:

We are often asked about how to bypass the factory-installed integrated trailer brake controller (ITBC) in the GMC Sierra and other vehicles. The ease of use and reliability offered by the Tekonsha P3 # 90195 make this a popular option to bypass a factory-installed brake controller. Based on customers experiences I suggest you go for the P3.

I have linked an article that covers the process for installing an aftermarket controller in your vehicle. There are four or five blunt-cut wires under the left side of the instrument panel. These wires are located above your left shin as you are seated in the driver seat. The wires can be identified by a white label and the color of the wires. Three of these will connect to three of the four wires on the P3; the one remaining wire from the P3 (the blue output wire) will connect to a length of 12-gauge wire long enough to reach the 7-way at the back of the truck where you will splice it into the blue wire at the connector. The article provides complete details and photos for the entire installation process.

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