Brake Controller Installation Using ETBC7 Install Kit on 2004 Honda Odyssey.  

Question:

Expert Reply:

The Odyssey does not have a brake controller install connector under the dash, the controller would need to be hardwired.

Since you already have the 4-pole trailer connector, all you would need to install a controller would be the # ETBC7 Brake Controller Install Kit. The kit contains everything necessary to install a controller, including wire, hardware, the adapter to convert your existing 4-pole to a 7-way and the circuit breakers you mentioned.

The 4-pole to 7-way adapter would plug into your existing 4-pole, leaving 3 additional wires to be connected. The blue wire would run under the vehicle to the engine compartment, and through the firewall to the brake voltage output wire on the brake controller. The black wire on the adapter would run under the vehicle to the positive battery terminal, via the 40 amp breaker included in the kit. The purple wire is typically used for the reverse lights on the trailer. If your trailer does not have reverse lights, the wire can be taped up out of the way. The white wire is grounded to clean metal on the vehicle.

The controller is mounted under the dash, usually to the right of the steering column within easy reach of the driver. The controller will have 4 wires exiting the rear. The black wire would run through the firewall to the positive battery terminal, using either the 20 or the 30 amp breaker included in the kit ( see the instructions for your controller to determine which is needed.) The blue wire would attach to the wire ran from the trailer connector at the rear of the vehicle. The white wire is grounded to the negative battery terminal. The red wire would tap into the cold side circuit of the brake stoplight switch. To locate this circuit, follow the brake pedal up under the dash. You will find the brake stoplight switch located at the top of the pedal. The switch will have several different wires exiting it, use a circuit tester like part # PTW2993 to determine which wire only shows voltage when the brake pedal is pressed, and tap your red wire into that circuit.

Following the provided links will take you to some FAQ information that will assist with your install. I have also linked you to the install video you referenced. Despite the fact that your Odyssey is a different model year, following the steps outlined in the video will ensure a successful install.

You do not mention if you had already obtained a brake controller. If not, I would recommend the Tekonsha Prodigy P2, part # 90885. The P2 is very easy to use and so easy to set up, it is our bestselling controller.

Doing this job yourself will save you a boatload of money!

expert reply by: Mike L

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