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  5. Plugs into Brake Controller
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Tekonsha Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In

Tekonsha Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In

Item # 3063-P
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Tekonsha Trailer Brake Controller - 3063-P
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Install your electric trailer brake controller quickly and easily with this custom wiring adapter. Simply plug one end of the adapter into your brake controller and then plug the other end into the built-in port under the driver's seat. 1-833-496-1390 to order Tekonsha accessories and parts part number 3063-P or order online at Free expert support on all Tekonsha products. Guaranteed Lowest Price and Fastest Shipping for Tekonsha Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In. Accessories and Parts reviews from real customers.
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  • Reviews (62)
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  • Why etrailer?

Tekonsha Accessories and Parts - 3063-P

  • Trailer Brake Controller
  • Wiring Adapter
  • Plugs into Brake Controller
  • Tekonsha
  • Vehicle Specific

Install your electric trailer brake controller quickly and easily with this custom wiring adapter. Simply plug one end of the adapter into your brake controller and then plug the other end into the built-in port under the driver's seat.


  • Plug-in wiring adapter allows for quick, simple installation of your electric trailer brake controller
  • No cutting or splicing required
    • Custom connector end plugs into the built-in port under the driver's seat of your vehicle
    • Other end plugs into the back of your electric brake controller
  • Compatible with time-delayed and proportional brake controllers from TrailerMate, Draw-Tite, and Tekonsha
    • Brake controller must have built-in plug for adapter to connect - will not work on controllers with pigtail wiring harnesses
  • 1-Year limited warranty

Installation of Tekonsha Brake Controller Adapter

To install your electric brake controller, you need to connect the wiring of the controller to your vehicle. Certain auto manufacturers offer pre-wired options, typically known as tow packages, wherein wiring is run for you from the dash to the trailer connector on the back of your vehicle. When this is done, a port is installed at your dash so that you can easily plug in a brake controller.

The connector is located under the driver's seat. No hardwiring is required to install this adapter. After you plug it into the factory port, you simply plug the other end of the adapter directly into your electric trailer brake controller. Because there are no wires to connect, installation is not permanent. You can unplug and remove your brake controller at any time to transfer it to another vehicle or securely stow it away.

3063-P Tekonsha Dual Plug, Direct Install Brake Control Wiring Harness Adaptor

Installation Details 3063-P Installation instructions

This Product Fits The Following Vehicles

California residents: click here

Customer Reviews

Tekonsha Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In - 3063-P

Average Customer Rating:  4.8 out of 5 stars   (62 Customer Reviews)

Install your electric trailer brake controller quickly and easily with this custom wiring adapter. Simply plug one end of the adapter into your brake controller and then plug the other end into the built-in port under the driver's seat.


I was concerned that I would not be able to feed this through with both connectors on but found a nice way to lay in the bundle

Still working great. Nomproblems
Mark - 06/19/2022


The customer service from order to delivery was excellent!!! I ordered a brake controller for our new RV but did not want to install it myself. Erica helped me find a qualified installer in my area. Much appreciated!


I have purchased many trailer parts from e trailer including bearings, rotors, seals all for boat trailers. Recently an electric controller. Service has always been excellent with prompt delivery and good pricing.

Thank you


the controller and wiring harness made this almost the easiest addon I have done. Hardest part was removing the seat off the base on the Mercedes Sprinter chassis. Wow, that seat is heavy. But, the installation was soo simple and the instructions completely accurate.

2020 Mercedes-Benz Sprinter 2500

As usual trailer fills my needs for my trailering stuff. They always have what I’m looking for and into my hands in a few days or less.

2021 Jeep Wrangler

Installed this in my 2020 Winnebago View (a 2019 MB Sprinter cassis and cab). I'm using it with a Brake Buddy Stealth controller. Routing it to the dash has a chore, but there are how-to videos on [online]. Most will simply lop off the Tekonsha connector and splice it directly to the pigtail wires on the Stealth controller. I chose, instead, to purchase a mating connector and add THAT to my controller, making the setup compatible with other popular controllers and removable without cutting wires. The Sprinter is pre-wired to "always hot" positive power, which means that you will always have power to the controller and a drain on your battery during storage. You can pull the fuse (in the panel under the driver's seat) or, as I chose to do, wire in a cutoff switch on the dash.


Good products. Took awhile to get. They kept me informed by email. As soon as it was delivered I received a message it was delivered.

2008 Mercedes-Benz Sprinter

This harness fit perfectly in my 2008 Sprinter and made the installation of a brake controller very easy. Would recommend to anyone who wants to add one to their vehicle.

2020 Mercedes-Benz Sprinter

This made adding a brake controller to my sprinter van a lot easier. Unfortunately it’s not plug and play with the Redark controller, so I had to splice to the controller connections.


Excellent plug and play. Does fit the 2 022s


very easy to install.


This product was supposed to eliminate any splicing of wires in my vehicle and the braking unit I purchased but does not. I will need to cut off one end and splice to the connector that came witht he braking unit. It maybe that this is not a standard connection but this cable was sold as a connection between the two. I do appreciate having the "pigtail" to the vehicles prewired connection.

This wiring harness is compatible with brake controllers from Tekonsha, Tow Ready, Reese or Draw-Tite. The brake controller end wont be compatible with other brands, but as you said, you can always cut the plug off and splice up the wires, color for color.
-- Etrailer Expert Mike L - 07/23/2019


This unit worked exactly as required. Quality is excellent as expected from Tekonsha.


The adapter harness fit great, clipped right in at both ends. that said they 'cheaped ou't on the amount of wire in the harness, it fit but barely, life would have been so much easier if there was another 12" of wire.

The controller itself was just OK, nothing more. No on/off switch capability so it is always on if its in the harness. I wouldn't have purchased it had I known that, now it has to come in and out with each use so it doesn't bleed down the battery, what a P.I.T.A. Also the mounted bracket didn't really fit a Sprinter as suggested. I wish I would have purchased the DrawTight brake controller, lots easier fit into a sprinter junk tray.


This adapter fit my connection from factory under sink perfectly and the perfect length!!

Mercedes-Benz Sprinter

Fast shipping, good price, great seller, Hitch fits like a glove, I had a local dealer who completly lost my business when he tried to tell me that a brake controller would not work on my sprinter van, looked online and of course had the easy answer for my hitch receiver, Brake controller and harness, Love these guys, Thanks


Good products


The Tekonsha trailer brake controller was a half hour install with the 3063-P wiring kit.
Commendations to Tekonsha and Etrailer for their help with picking a top notch product.


This was great! Plugged right into the existing harness and works flawlessly. Had no idea what I needed and was walked through the whole thing. Thanks!


The length is perfect to plug into the factory connection and route up to the kick panel below the steering wheel.


Plug and play


Used this harness adapter to connect to the factory brake controller harness provided under driver’s seat in factory tow-optioned Sprinter van. Worked as advertised and connected a Curt Spectrum brake controller to said factory harness.


Great solution for simple, trouble free connecting. Well worth the small price! Makes Tekonsha controller Plug-n-Play!

2015 Mercedes-Benz Sprinter

Looks Good


Easy to install... love that length on the wire, plenty of wire to get it where I needed it under the front seat.

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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
Jameson C
Employee Lindsey S
Edited by:
Lindsey S
Employee Jacob T
Video Edited:
Jacob T
Employee Dustin K
Video by:
Dustin K
Employee Chris R
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Employee Jonathan Y
Video by:
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Employee Cole B
Installed by:
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Employee Andrew J
Test Fit:
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Employee Bradley B
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Employee Wilson B
Updated by:
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