Curt Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In
(138 reviews)
Price: $13.65
In Stock
Curt Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In
Item # C51451
Retail:$23.73
Our Price: $13.65
You Save: 42%
Will this fit?
To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
Orders above $99 qualify for Free Shipping
In Stock
- All Info
- Reviews (138)
- Q & A (0)
- Photos
- Why etrailer?
2017 Chevrolet Tahoe - 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 controller and then plug the other end into the built-in port beneath your 's dash.
Features:
- 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 port is located in the wiring panel underneath the dash, to the left of the steering column, 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.
51451 Curt Quick Plug Brake Control Adaptor Harness
Installation Details
California residents: click here
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
- Wrong item was ordered
- Did not fit
- Did not arrive in time
Customer Reviews
Curt Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In - C51451
Average Customer Rating: 4.8 out of 5 stars (138 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 controller and then plug the other end into the built-in port beneath your vehicle's dash.by: Danny08/13/2022
It was a very simple install. Only problem I had was getting my fat fingers in the right position to install the adapter harness into place. Took maybe 3 minutes though. Web site said it wasn't compatible with my truck, so I called. After a short wait Jesse came on. He was extremely patient as I explained my problem and had me fixed up in just a few minutes. The shipment arrived 2 days early wich is rare these days. Very pleased for sure.
by: Dale 09/17/2022
Just the right length, plug and play
by: Scott09/18/2022
I’m not sure if this part is good or not because it is part of a trailer brake choice that doesn’t work well. It is possible that this is the problem, but no one seems to be able to tell me what the problem is.
by: Wes05/21/2021
This thing does everything you could ask a trailer brake controller to do. Easy to install, easy to adjust, and performs flawlessly. And it is priced right where it should be.
by: TH10/04/2022
Plugged in. Worked as advertised.
by: Greg C.08/04/2015
2015 Chevrolet Silverado
After talking at length (at least 15 minutes) to the rep on the phone, I choose the Curt TriFlex controller for my 2015 Silverado. It happens to be the same unit sold on Chevy's website (but cheaper on etrailor). The sales person was awesome! She wanted to be sure I got the right one, not trying to upsell me on something I didn't need. Just as she promised, it plugged right in under the dash and I even used an existing screw to mount the bracket. A 15minute install!!! I will shop here again.
by: Bob B09/02/2014
Works great. Easy to follow online installation instructions for the wiring adapter - no problem!
Comments
It works just fine, no problem at all.
Bob B - 09/02/2015by: Michael 01/24/2022
It’s a simple plug in harness. Did it’s job and fit what it was supposed to
by: OEM09/24/2017
The screws for the bracket did not fit into the plastic bushings in the bracket. I have got hooked this up to a trailer with brakes, yet, but everything else seems to work, including the adapter for my Silvy1500. Note that this review bears no negativity on etrailer, but he manufacturer of the brake controller. Stop letting China manufacture our goods and get better product reviews. I have had good experiences with etrailer.com, they always ship fast and deliver quality installation guides. Kudos to them!
by: Tom F11/19/2020
2014 Chevrolet Silverado 1500
This is my first order with etrailer.com . The Curt Custom Wiring Adapter was as advertised and came on time as promised.
I had shopped around at All the big three auto parts places (except "NAD*) only to get the same answers: "You have to splice those things to mak'em work"....cost could be around $50-150 bucks" OR " We can't get the connectors from our company". This was not true.
Glad I found "etrailer.com . Thank You ALL. :)
by: Steven M05/18/2015
2015 Chevrolet Silverado 1500
The controller arrived quicker than expected along with the wiring harness. Installation, with your instruction, was painless and simple.
I choose to use velcro to mount my accessories, and in the pictures you can see this is a simple fast method. Plus, I can always remove it easily if need be.
Great product, great support, great prices.
Steve
by: ken j08/12/2017
After waiting for almost 1 month I finely received my order had too return one order that was not mine and had to wait until I got instructions on returning it. I have placed 3 different orders with etrailer but the last one was a mess, I don't known where you get the people that work in shipping but I think that a 4 year old could do a better job also when you have a complaint U wind up talking too four or five different persons and no one knows what you are talking about the only person that was of any help was Kim P thanks young lady
by: Pete 09/06/2022
Sherry is the best
by: Ron H.08/02/2016
2014 GMC Sierra
I recieved this brake controller order on time. I installed it in my 2014 GMC Sierra in about 30 minutes. It work fantastic. I am extremely happy with my purchase from Etrailer.
by: Scott04/09/2022
Plug and play awesomeness
by: Scott03/09/2018
2002 Chevrolet Silverado
Ok, I just found a package from you guys on my porch when I got home. I'd gotten an email today that said it'd been delivered, but I KNEW that was a mistake because I'd just ordered a couple days ago, paid ZERO for standard shipping, so was certain there was no way anything got here already. Get home, it's ALL there!!!!! It's all exactly what I ordered, and I'll be providing reviews of the stuff as I get it installed and used. But as for etrailer? Nothing but awesome!!!!!!!!! Amazing job. Now THAT'S customer service!
by: Robert B.08/29/2017
I love this product. I have had many tow vehicles over the years. Wiring a brake controller always took a little time. This plug in device makes the job simple.
It and etrailer both deserve 5 stars.
RB
by: Ray04/09/2018
2015 GMC Sierra 1500
Excellent product, made hooking up my brake controller super easy and fast.
Fast and easy ordering from etrailer good people to deal with.
Thanks
Comments
PRODUCT WORKS PERFECTLY. JUST WHAT THE DOCTOR ORDERED.
Ray - 04/09/2019by: Ray L. 05/30/2015
Don't get much easier then this. The installation video was top notch , easy to follow and accurate. Thank you E-trailer
Comments
Great product great company!!!
Ray L - 05/29/2016by: Tony 08/13/2020
Custom wire adapter makes installation plug and play.
by: Ernie E04/21/2015
Easy installation for brake controller only Con was there were no instructions provided as to where on the fuse block to plug it in. Had to research website for info. Mirrors fit perfect and allow to see rear of 26 ft trailer for up coming traffic
by: Tom12/18/2013
2014 Chevrolet Silverado
E-Trailer had exactly what I needed for my new model year vehicle that I couldn't find elsewhere. The product was accurately described and the installation manuals were available online which helped tremendously in making a purchasing decision. The order was placed on a Sunday and a shipping notification was received on the same day literally minutes after the order was placed. Item was received within 3 days...can't ask for better than that.
I have bookmarked this site for future business...very efficient.
by: Johnny H.08/25/2015
2015 Chevrolet Silverado 1500
Excellent delivery time. Easy to install. All the parts were included to make it a professional easy installation. No problems and the Curt wiring adapter was a good investment to insure a professional job.
by: George 05/22/2020
2015 Chevrolet Silverado 1500
Must have "accessory" for the brake controller. Made install a snap. YouTube video was very helpful in locating the vehicle's plug in.
by: Rolland10/29/2016
2015 Chevrolet Silverado
The connector was part of a kit which included the trailer brake. Everything worked as advertised. Plug and play in my 2015 Silverado.
25
137
Show More Reviews
See what our Experts say about this CURT Accessories and Parts
- Where Does a Brake Controller Plug In on a 2014 GMC Sierra 1500On your 2014 GMC Sierra 1500 there is a junction box with a black cover on it located on the driver's side floorboard, way in the back, to the left of the brake pedal. There should be an empty spot to plug in the wiring harness located in the upper left corner. I have included a link to a video that should help. It is a different harness but it plugs into the same spot.
view full answer... - How Does Brake Controller Install in 2014 GMC Sierra 1500 Using Factory Install HarnessThe brake controller jumper wire you found in the glove box can be used to wire in the brake controller you have. I am not sure which controller you have but basically you'll plug the harness into the port under your dash for the brake controller install and then you'll wire it color for color to the brake controller's wiring and it will be wired in and ready to work.
view full answer... - Brake Controller Install Harness and Brake Controller Recommendation for 2015 Chevy Silverado 1500Yes, the Curt brake controller install harness part # C51451 that you referenced will allow you to install a Curt brake controller in your 2015 Chevy Silverado 1500 like the Curt TriFlex part # C51140.
view full answer... - Can Curt Venturer Trailer Brake Controller # C51110 be Used in 2015 Chevrolet Silverado 1500The Curt Venturer Trailer Brake Controller, # C51110, can be used in a 2015 Chevrolet Silverado 1500 with no modifications needed. You will just need the Custom Wiring Adapter, # C51451, to get the controller wired and ready to go. One end of the adapter plugs into the controller and the other end plugs into the built-in port up under your dash. Quick and easy installation.
view full answer... - How to Insatll a Curt Brake Controller in a 2014 GMC SierraYes, you can. If your 2014 GMC Sierra is a 1500 model all you would need is the Curt Wiring Adapter part # C51451 to install your Curt Venturer Trailer Brake Controller # C51110. If your 2014 is a 2500 or 3500 the connections are available under the dash of your vehicle. You would want to wire the controller up to the wires under your dash. Check out the FAQ article I attached on how this is done.
view full answer... - Curt Brake Controller Wiring Adapter for a 2006 GMC SierraWe do have a plug-in adapter for your 2006 GMC Sierra, but the Curt # C51451 that you referenced is a fit for Chevy Silverado and GMC Sierra pickups starting in 2014. For your 2006 Sierra you want the Curt # C51352 instead. This adapter will plug into the junction box beneath your vehicle's dash as is demonstrated in the attached photos.
view full answer...
- Does Curt Brake Controller Install Harness part # C51451 Fit 2018 Chevy Silverado 2500HDYes, the Curt brake controller install harness part # C51451 that you referenced is a confirmed fit for your 2018 Chevy Silverado 2500 for installing a Curt brake controller like the Curt Triflex part # C51140 which would be a great option.
view full answer... - Is Curt Venturer Trailer Brake Controller a Plug-and-Play Option on 2014 GMC Sierra?If you have the factory tow package on your 2014 GMC Sierra 1500, which from your description it sounds like you do, then the Curt Venturer Trailer Brake Controller # C51110 is plug-and-play. All you need is the Curt Custom Wiring Adapter # C51451; one end plugs into the brake controller and the other end plugs into the port beneath your dash. I have added links to video reviews of these products for you to take a look at as well.
view full answer... - Brake Controller Wiring Harness for 2015 GMC Sierra 1500 and Curt TriFlex Brake ControllerFor your 2015 GMC Sierra 1500 and Curt TriFlex brake controller # C51140 you will need wiring harness # C51451 to plug the controller into your truck. I have linked videos and instructions for both parts for you.
view full answer... - Brake Controller Install in 2014 GMC SierraThe install procedure will depend on if you have a 1500 or a 2500/3500 Series. If your Sierra is a 1500 model, you will need a brake controller wiring adapter harness, part # C51451. The 2500 and 3500 series would have the tow package wiring that sits above where the driver's left knee sits. If you click the video link I've provided, you can see a controller being installed in a 2014 GMC Sierra 1500. The FAQ link I provided shows how to install a controller in the 2500/3500 model. The...
view full answer... - Where Is The Trailer Running Lights Fuse On a 2014 GMC Sierra 1500For starters, the Curt TriFlex Trailer Brake Controller part # C51140 and Curt Custom Wiring Adapter for Trailer Brake Controllers part # C51451 have nothing to do with the running light circuit. The most likely cause of this issue is a blown fuse on the vehicle. For your 2014 GMC Sierra 1500, the running light fuse is in the #15 position on the fuse box which is labeled as "Trailer Park Lamps".
view full answer... - What Install Harness is Needed for Curt Spectrum in 2019 Chevy SuburbanThe install harness you need for the Curt Spectrum part # C51170 in your 2019 Chevy Suburban is the part # C51451 which plugs directly into the port on your vehicle and then into this controller for a simple install.
view full answer... - Will Curt Spectrum Brake Controller for 2018 Chevy Silverado 3500 Work With EOH BrakesThe Curt Spectrum Brake Controller # C51170 will absolutely work with your 2018 Chevy Silverado 3500 and is going to be a much better option than a factory brake controller for a trailer with electric over hydraulic brakes. We see very often that factory brake controllers struggle with electric over hydraulic braking systems and the Spectrum is going to be a major upgrade in this regard as it is designed to work with electric as well as EOH systems. You will also need the Curt Custom Wiring...
view full answer... - Recommended Brake Controller for 2014 GMC Sierra 1500The Curt # C51140 TriFlex brake controller you'd looked at would be a good choice at a reasonable price. The proportional controller will provide safe, reliable and predictable braking and is compatible with both electric and electric over hydraulic braking systems. You'll also need the # C51451 brake controller wiring harness. The wiring harness plugs into the junction box located on the firewall to the left of and a bit above the brake pedal as shown after the 2:30 mark in the linked...
view full answer... - Harness Needed To Install Curt Brake Controller On a 2015 Chevy Silverado 1500In order to install a Curt TriFlex Trailer Brake Controller part # C51140 on a 2015 Chevrolet Silverado 1500 you'll need the Curt Custom Wiring Adapter for Trailer Brake Controllers part # C51451. It will indeed plug into a port under the dash making for a no-splice install.
view full answer... - Troubleshooting OL Code on Curt TriFlex Brake ControllerYou've started in the right direction with troubleshooting the Curt TriFlex # C51140 and Wiring Adapter # C51451 install on your 2018 Chevy Silverado 1500. The OL code that you're seeing means that the output circuit is being overloaded which normally means that there is a wiring issue somewhere. Disconnecting all of your wiring involved and inspecting the wiring itself as well as the connectors for any places where it might be damaged is what you'll want to do. If all of that looks good...
view full answer... - Custom Wiring Adapter for the Curt TriFlex Brake Controller on a 2017 Chevrolet Silverado 1500The correct wiring adapter for the Curt TriFlex Trailer Brake Controller # C51140 for your 2017 Chevrolet Silverado 1500 is the Curt Custom Wiring Adapter # C51451. This will plug into the TriFlex and then into the port under the dash of your truck.
view full answer... - Parts Needed To Install Curt Brake Controller on a 2018 Chevy Silverado 1500It sounds like you are looking for the correct brake controller adapter harness needed to install a Curt Trailer Brake Controller like the Venturer part # C51110 on a 2018 Chevrolet Silverado 1500 and if that's the case you will need the Curt Custom Wiring Adapter for Trailer Brake Controllers part # C51451.
view full answer... - Which Adapter for Curt Spectrum Brake Controller Installation on 2014 Chevy SilveradoIt sounds like you're looking for the correct adapter plug that would allow you to use the Curt Spectrum Brake Controller # C51170, which can be found with part # C51451. This will plug into the port under the dash and connect to the Spectrum; I've linked an installation video of this controller for you to check out to see how the process works.
view full answer... - Troubleshooting Curt TriFlex Brake Controller Installation on 2018 Chevy Silverado 1500Wow, you've really done a thorough job at testing the functioning of the Curt TriFlex # C51140 and Wiring Adapter # C51451 on your 2018 Chevy Silverado 1500. The only other thing I can think to do is check the 7-Way on the back of your pickup. If the pins are corroded or the wiring is messed up inside the 7-Way connector then that would explain why you're getting the OL code. It's possible that some wires are crossing which would also explain why your brake lights are remaining on until...
view full answer... - Curt Brake Controller Wiring Harness for 2018 Chevy SuburbanThe Curt Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In # C51451 is a fit for your 2018 Chevy Suburban if you already have the factory tow package with the factory 7-way trailer connector. If you do not have the factory 7-way, then you will need the Replacement Custom Multi-Tow 7-Way and 4-Way Trailer Connectors # 30955 and will hardwire the wires present under your dash to the Universal Wiring Adapter for Curt Trailer Brake Controllers # C51515.
view full answer... - Can Integrated Brake Controller of 2015 GMC Sierra 3500 be Bypassed for Curt EchoOn your 2015 GMC Sierra 3500 you can bypass the factory controller to install the Curt Echo part # C27JR but you will need the install harness part # C51451. You will also need to check out the help article I attached to this page that will walk you through exactly how to bypass your brake controller.
view full answer... - Install Harness for Curt Echo in 2018 Chevy Silverado 1500The correct install harness for installing the Curt Echo part # C27JR in your 2018 Chevy Silverado 1500 is the part # C51451. It would be pretty cool if the display would integrate into the dash of your truck! Hopefully that happens at some point.
view full answer... - Wiring Harness for the Curt Echo Under-Dash Brake Controller on a 2018 Chevy SilveradoThe Curt Echo Under-Dash Trailer Brake Controller item # C27JR needs the Curt Custom Wiring Adapter for Trailer Brake Controllers item # C51451 to work with your 2018 Chevy Silverado Z71. That is why it is a confirmed fit on the wiring adapter product page and not the brake controller page. This brake controller will work great and have no issues on forest roads and you will have an easy plug and play installation.
view full answer...
Do you have a question about this Accessories and Part?
Why etrailer.com?
At etrailer.com we guarantee:Real product know-how.
We make sure that the products we sell are what we say they are, and that they work the way they are supposed to work. Get real advice from a real person who has the knowledge and expertise needed to solve your problem.Most detailed, accurate accessories and part information available.
Because we take providing accurate product information seriously, we take our own detailed product photos, demo videos and installation videos, as well as verify measurements, instructions, and vehicle fit information.Installations, made easy.
We love helping people and have the most highly-trained customer service, hands-on experience, step by step videos and installation instructions.Fast shipping.
Your order is automatically routed to get out of our warehouse and to your door as quickly as possible. Receive free shipping on orders over $99.Personalized service for life.
We provide one-on-one, personalized service from the ordering process through the life of your product.Trusted since 1946.
We've been serving customers since our parts store first opened in 1946 and continue to be recognized by our customers, our vendors and third parties for exceptional service.Returns Policy
Need to return an item? No problem. Please read our Returns Policy for more information.
Info for this part was:
Expert Research:
Michael H
Expert Research:
Jameson C
Written by:
Laura H
Updated by:
Wilson B
Updated by:
Kristina F
Updated by:
Isabelle B
At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.
Product Experts Available Now!
Call 1-800-940-8924
Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.
Error submitting comment. Please try again momentarily.