Brake Controller and Install Recommendation for a 2015 Mercedes Benz Sprinter and 2005 Honda Pilot

Question

Question:

I want to use Tekonsha Prodigy P2 Trailer Brake Controller 90885 for 2015 MB Sprinter 2500 with MB factory trailer hitch and 7 pin plug. Which Plug the brake control end of wiring harness into back of brake control and vehicle end into vehicles port will work? AND connecting the same unit Brake Controller 90885, to 2005 Honda Pilot with factory hitch and 4 pin which I need to change to 7 pin? Which Plug the brake control end of wiring harness into back of brake control and vehicle end into vehicles port will work? Code: 3070-P? Thanks,

asked by: Joe

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Expert Reply:

Since you have a 7-Way in your 2015 Mercedes Sprinter you will only need a few more components to complete a brake controller install on your vehicle.

First let's start with a brake controller. I would recommend the Prodigy P2 Brake Controller part # 90885. This is our best selling brake controller because of how well it works and how easy it is to setup.

Next, 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.

I attached an FAQ on installing brake controllers for you to check out.

To install the brake controller in the 2005 Honda Pilot will require the part # ETBC7. I wish there was a plug and play option for this vehicle but this would be the only route. I did attach an install video that shows this install in a very similar 2003 Honda Pilot.

expert reply by: Jameson C

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Answer 1

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 2

Actually, the P3 now has the upgraded axis accelerometer like the P2. The Tekonsha P3 Trailer Brake Controller #90195, will work with both electric over hydraulic brakes on the trailer as well as electric brakes. It has a menu option on the display…

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Answer 3

The best brake controller option to go with is one that activates the brakes proportionally instead of time delayed. A proportional brake controller will activate the trailer brakes at the same time and with the same intensity as the tow vehicle…

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Answer 4

If your vehicle has a factory brake controller plug, you can simply use the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers – Ford, Item #3034-P, which will connect to the vehicle plug and the brake controller. On the new E-450…

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Answer 5

The trailer brakes work on a separate circuit than the lights. You have a couple of options to control the electric brakes on the trailer. One option is to use an air over electric brake control, #HA100400C. This unit connects to the air brakes on…

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Answer 6

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 7

You are correct, you should only be getting output when the brake is applied, or the override switch is activated. It sounds like the controller might be bad, but to make sure, you should probably bench test it before tossing it. Use a circuit…

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Brake Controller and Install Recommendation for a 2015 Mercedes Benz Sprinter and 2005 Honda Pilot

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