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This wiring adapter is designed for vehicles that do not come equipped with a factory brake control wiring harness port. One end plugs into your Curt trailer brake controller while the other end splices into your vehicle's wiring.
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. Usually when this is done, a port is installed at your dash so that you can easily plug in a brake controller. However, if no port is present, you will have to splice into your wiring.
With this universal adapter, you can install your Curt brake controller without having to wire the controller directly to your vehicle. If your vehicle has a factory tow package, just splice the pigtail end of the adapter into your vehicle's factory brake control harness wiring, and then plug the other end of the adapter into the controller. If your vehicle doesn't have a factory tow package, you'll have to hardwire the pigtail end of the adapter into your vehicle's wiring. Because only the adapter is hardwired to your vehicle, you can unplug and remove your brake controller at any time to transfer it to another vehicle or securely stow it away.
If your vehicle is not equipped with a factory tow package, you will need to purchase additional equipment to ensure that the signals from your brake controller are sent to your trailer's brakes. We recommend etrailer.com's exclusive 7- and 4-way brake control installation kit (ETBC7 - sold separately).
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews

Kent E.
1/23/2018
Ive not had any trouble with the hitch or the brake controller. I can tow my tear trailer anywhere I want and the hitch protects my mufflers from damage when I go offroad. Nice extra benefit.

Howard S.
4/6/2018
Still working great. Not any problems. A great product

Biscuitsngravy
10/21/2014
I have enjoyed the use of the electric brake controller. The stops are always safe and smooth. Im glad I got it for my truck and Ive never had a problem with it. I just need to get out and use my camper more! The initial contact with etrailer.com was very favorable and I will do business with them again when I need something for my trailers or tow vehicles.

Ted
7/3/2015
Perfectly. No issues at all with wiring or controller.

Charles B.
6/9/2016
Worked fine, but sold vehicle 6 months ago.

Drew V.
10/10/2017
No issues, completely satisfied!

Peter
6/23/2022
So far, so good!

Pat M.
11/21/2017
The EOH braking system works perfectly. You are my supplier of choice ifwhen I need additional trailer parts on the future.

Mark
5/29/2018
I used these products for 2 separate trips about a year apart. First trip was about 7500 miles and the 2nd about 3500. No issues. Have not used the tent trailer for about a year. Have a trip coming up in about 1 month and dont expect any problems with these products.

Cd
9/1/2018
Im pleased with them, no problems.
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Richard
3/8/2026
Product works perfectly. Easy install.