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

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

Item # C51362
Our Price: $12.08
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Install your Curt 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 beneath your 's dash. 1-800-940-8924 to order CURT accessories and parts part number C51362 or order online at Free expert support on all CURT products. Great prices and Fastest Shipping for Curt Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In. Accessories and Parts reviews from real customers.
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2004 Toyota Tundra - Curt Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In

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

Install your Curt 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 beneath your 's dash.


  • 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 beneath the dash of your vehicle
    • Other end plugs into the back of your electric brake controller
  • Compatible with time-delayed and proportional brake controllers from Curt
    • Brake controller must have built-in plug for adapter to connect - will not work on controllers with pigtail wiring harnesses
  • 2' Long, 12-gauge wires have protective covering to deter damage
  • Limited 1-year warranty

Installation of Curt Brake Controller Adapter

To install your Curt 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.

This adapter plugs into the port on your vehicle's built-in brake control wiring harness. The harness is located underneath the dash, to the left of the steering column, and it is taped to another harness near the emergency brake pedal.

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.

51362 Curt Quick Plug Brake Control Adaptor Harness

Installation Details C51362 Installation instructions

California residents: click here

Customer Satisfaction Score:

Customer Reviews

Curt Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In - C51362

Average Customer Rating:  4.8 out of 5 stars   (215 Customer Reviews)

Install your Curt 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 beneath your vehicle's dash.


I’ve owned 5 brake controllers. This is the only one I’ve disliked. This controller has non digital controls (should have been my first clue it might not be good) it just has two slide controls. Problem is two things, the slide controls themselves are black, the same color as the case on the unit and you can’t even see the position of the slide controls because they blend in with the color of the case. It’s impossible to tell if they’re turned down all the way, turned up all the way, in the middle? The other problem is that the slides are so imprecise, They slide way too easily and there’s no detents and I found if you even bump the unit slightly or are going over rough roads the slide switches migrate. I was towing a couple of weeks ago and I thought I had the switches dialed in as good as I could, I was on some rough roads, due to road construction in the area, the output switch vibrated over to maximum and the next time I hit the brakes , the trailer locked up completely. So I had to turn it off until I could get to the next town where there was a parking lot I could readjust. I’m definitely getting rid of this thing and I definitely recommend you do not buy it. Buy something with digital output controls so you know precisely where the settings are. I firmly believe this controller is dangerous and I know if I keep using it I’m going to get an accident.


Using the Curt wiring adapter, installing the Curt TriFlex brake control in my 2006 Toyota Tundra was simple after watching your video. Very pleased with everything I ordered from e trailer.


Using the harness is the best and easiest way to install a brake controller. The warranty on the controller is still valid since no wires have to be cut.

2010 Toyota Tundra

Yes I received my order and installed the brake controller. All seems to be
fine, although I have yet to tow with it yet. Here are a couple photos of
the installation in my 2010 Toyota Tundra.


Pending installation…


The wiring adapter was easy to connect and tuck up under the steering wheel to attach to the brake controller.


This wiring adapter fit perfect between the Curt Adventurer brake controller and the pigtail harness in my '06 Tundra. Remove the truck's driver side kick panel, cut the truck connector loose from where it was secured, and plug this adapter into both the truck and the brake controller. Plug and play.

2011 Toyota Sequoia

Installed on 2011 Toyota Sequoia - Plug and play as advertised.

2010 Toyota Tundra

Well that was the easiest thing I've ever done on a vehicle. The info on the etrailer site was instrumental in this being a quick plug-n-play mount of the Curt brake controller. I watched the two minute video and 10 minutes later I had a new brake controller installed in my 2010 Tundra.

Ed D.


One year later and the install looks good and the Curt brake controller works as advertised, Im happy!


Custom cable made my brake controller installation a simple project. Fit perfectly and took all stress out of the job. I would buy again without hesitation.

Jim W.


Yup, still working as supposed to. No complaints. Well worth the money.

2012 Toyota Tundra

I installed the Curt TriFlex Brake Controller C51140 along with Wiring Adapter C51362 on my 2012 Tundra. Was super easy. Thanks for video.



Perfect. No issues at all.

2008 Toyota Tacoma

Teconsha P3 is an excellent brake controller.

better was the customer service from etrailer....I had an issue with another model, called etrailer, and they made it right. No questions asked. Will definitely shop with them again. Thanks, etrailer! -wade

Wade V.


Love the Tekonsha. Will not buy another Curt. Thanks for asking. And e-trailer was great, especially dealing with the dysfunctional Curt. Thanks.


Made the install of the brake controller straight forward.


Perfect fit


The adapter for connecting the trailer brake controller arrived earlier than scheduled. It enabled a quick and easy plug and play connection of the controller to the vehicle.



Worked perfectly - plug and play


Much smoother braking than the controller the RV dealer installed. Curt has excellent customer service.

2012 Toyota Tundra

Fast shipping! Great product for this price. My 2012 Tundra has airbag underneath steering column so I mounted brake controller just left of area.....perfect! Works like it came stock.

Kirk J.




Easy hook up fast shipping

2020 Toyota 4Runner

Fit perfect!

2017 Toyota 4Runner

Works well, easy to install. Sometimes the lights do not go off. I have to restart the 2017 4Runner and wait for them to go off.


Etrailers catalogue provided a complete & accurate description of the 8 items purchased. Placing the order by phone was fast & efficient. Items arrived within 4 working days, no tax no shipping charge. Professional all around.

Pat M.


The EOH braking system works perfectly. You are my supplier of choice if when I need additional trailer parts on the future.

2015 Toyota Tundra

This was my fourth order from etrailer and, as were the earlier ones, was delivered quickly. The instructions were clear and easy to follow and it took me only about 15 minutes to install the Curt Venturer Trailer Brake Controller with the wiring adapter for my 2012 Tundra. The white ground wire did not have to be grounded separately as it connects to a white ground wire in the adapter. I used Velcro on top of the controller and beneath the panel instead of the included bracket and can easily make adjustments without removing it. Adjusting the slides on top and the left side of the controller to get the desired braking action and a test drive to verify took another ten minutes. Great product.


Mating harness is perfect. Well made, quality connectors, proper length, time saver, priced right, a no brainer. Buy it!!!!!

Richard S.


Great. This controller is very consistent in applying dependable braking while towing our travel trailer. After dozens of trips and thousands of miles the unit continues to do the job. Very satisfied.


Excellent controller for my shipping and a great price too! I read up on Progressive vs. Time Delay controllers; and for my needs I felt this Curt controller would be just fine. I just finished installing and adjusting the controller this morning.
We recently bought a '99 Coleman Westlake Pop-up that weighs about 2,400 lbs. dry (much less than my brake-less boat trailer) and wanted to take advantage of the brakes that came on the camper for when we travel in the SC & NC mountains camping. On level ground I have found the controller to be very responsive and easy to adjust. I am sure having working brakes in the mountains will be nice! As others have said, finding just the right place to mount the controller was the most difficult part. The "plug & play" adapter/harness was more than long enough to complete the installation. Oh, did I mention fast shipping too! I am another very satisfied Customer!


Plugged right in

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