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How to Install a Brake Controller in a 2009 Jeep Liberty

Question:

would you have a simple wiring print to install this 39523 model into a 2009 jeep liberty? Thanks

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Expert Reply:

For installing the Brake Controller part # 39523 in your 2009 Jeep Liberty with a factory 7-way you only need a couple items.

For a wiring kit to install the brake controller and the 7-way adapter you would want the Wiring Kit for 2 and 4 Brake Electric Brake Controllers # 5506. This will provide the power source and ground for the wiring for the brake controller. You will need to test the wires from the brake pedal switch of your vehicle to find a circuit that has voltage when the brakes are applied and none when not applied. This will be the circuit you will run the red wire to.

Finally you will need to run a length of 10 gauge wire (part # 10-1-1) from the brake output circuit of the controller to the brake output circuit of the 7-way (blue wire). The # 10-1-1 is sold by the foot so you will need to order a quantity of the amount of feet you will need.

If you don't have any trailer wiring you would instead need a different set of parts.

You will need to start with a 4-way (if you do not have one). For that you would want the # 118554.

From there you would need to convert the 4-way to a 7-way so that you can install the brake controller. For that you will want the Brake Controller Install Kit and 7-Way Adapter part # ETBC7. I attached installation instructions and an install video for this product as well.

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Jameson C

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