Arrives before Christmas To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
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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 vehicle's dash.
Features:
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.
California residents: click here
I purchased this harness primarily to get the plug for my 2023 Grand Cherokee L Overland (with tow package). I had an Odessey brake controller with a cord for a Ford truck. The black fitting on this cord is identical to the plug coming from my brake control (both male plugs) so some splicing is required to utilize my old controller. I had difficulty locating the plug in my Jeep and could not locate photos or video of the plug location in the WL platform (current model Grand Cherokee). I have attached photos of where to locate the plug. It was a bit more forward and wrapped up with black electrical tape as shown in my photo.
If the black plug matches your brake controller, this should work perfectly for you.
Great customer support on the front end to make sure I got the right part. Great support on the back end to make sure I was satisfied. Even to the extent that now one year later, I am on a tick file to make sure my experience continues to be great! It sure has been great and I look forward to more advice and purchases from E Trailer.
Works as advertised. Used to hook up a triflex brake controller into a 2015 Jeep Grand Cherokee with tow package. Very easy installation.
Josh
9/5/2024
Year later, product is great. Took out our popup camper this summer and adjusting the braking power is very easy with this.
etrailer has great videos for installation and information which works well for your personal application. Cable hidden under dash.
Bill A.
4/7/2021
Still like it.
Worked perfectly to connect our Curt Brake Controller to our Jeep Grand Cherokee's wiring harness. Nothing to cut or trim.
All great products and fast shipping. I had a small problem and tech support answered my question immediately. Saved over $250 dollars over dealer prices and with instruction videos installation was a snap. etrailers has become my go to for hitches and accessories.
Thanks, You Guys are the greatest.
Definitely a must for installing the Curt Echo under-dash brake controller in a Jeep Grand Cherokee. No wire splicing required; plug-n-play!
Perfect fit for my 2016 Jeep Grand Cherokee. 5 minute installation.
Victor
4/2/2019
Traded the 2016 Grand Cherokee for a 2018, brake controller and wiring adapter fit perfectly again and has been performing flawlessly.
Perfect fit for 2024 Jeep Grand Cherokee L.
GOT MY CURT BRAKE CONTROLLER WITH EASY CONNECT FOR MY JEEP GRAND CHEROKEE ,EASIEST AUTO PART I HAVE EVER HAD TO INSTALL.BUT MY VEHICLE WAS SET UP WITH THE TOW PACKAGE..
Controller worked well. Installation took some effort, but overall was a good piece of hardware.
Both items worked great and was easy to install.
Shipped same day. Easy to install with the custom wiring adapter. Excellent customer service.
Easy to install. Looks great and works well. The best part is how discreet it is. Love it.
Worked great and installed easy. Especially with the added oem plug kit.
I have found the products that I ordered have been just what I need, this site is great, the people are very helpful, & know what they are doing, this is the only place that I will shop for my trailer needs,
Worke great on my Jeep Grand Cherokee
I’ve bought several items in the last year from etrailer. The service and duality never disappoint!
This cable worked great. Nothing better than plug and play!
perfect fit on both ends.
Mark R.
4/24/2018
every thing is great. works good and i have recommended etrailer.com several times to friends.thank you
Worked great. made installation of my brake controller very easy.
Excellent product. Easy to install
Connected perfectly and stayed connecte d.
Easy to install
worked great, made install easy
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Tom
6/27/2025
It still works as it should.