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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 # C51438
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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. 1-833-496-1390 to order CURT accessories and parts part number C51438 or order online at etrailer.com. Free expert support on all CURT products. Guaranteed Lowest Price 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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CURT Accessories and Parts - C51438

  • 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 vehicle'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.


Brake-Control Adapter Port

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.



51438 Curt Quick Plug Brake Control Adaptor Harness

Installation Details C51438 Installation instructions

This Product Fits The Following Vehicles



California residents: click here



Customer Reviews

Curt Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In - C51438

Average Customer Rating:  4.9 out of 5 stars   (41 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.

by:

Ordered a Curt brake controller for my Toyota Tundra with the matching dual plug in. It installed easily, and worked perfectly. I later sold the Toyota and bought a 2010 Ram pickup. I transferred the Curt brake controller to my Ram pickup by ordering the matching dual plug in cord. It also installed easily, and works perfectly. Very pleased with everything. Excellent and prompt service, and helpful videos to help make installation effortless.




by:

Fit as expected and made installation quick and clean.




by:
2012 Dodge Ram Pickup

I purchased this product with a Curt time delay brake controller. My 2010 Dodge Ram has the 7 way plug and towing package on it already which made the installation of the product super easy. I looked under the dash by the parking brake and there was the plug. I plugged it in and plugged in the controller, mounted it and I was done! Installation took me less than 12 minutes and that included me checking the plug with a multi meter to ensure the power was getting thru. The best part is I can remove the controller when I am not towing my RV so that I keep my stock appearance. If you can use this part on your truck pay the little extra and get it. The shipping was super fast and easy! One of the best experiences buying online!




by:
2010 Dodge Ram Pickup

You wouldn't think an adapter cable to mate a CURT brake controller to a 2010 RAM, factory installed trailer brake cable would be difficult. But another online retailer and 2 (TWO!) local RV dealers sold me the wrong one..each the same; but wrong!

Only etrailer got it right and at a fraction of the cost of the "others"! Works fine.




by:
2012 Ram 1500

Perfect fit.




by:
2011 Ram 1500

Cable was perfect, dealer wanted 5 times the price, has worked flawlessly since I purchased it. etrailer.com was great with information I needed, and shipped item immediately, great job George, thanks again, will definitely only buy from etrailer.com in future.




by:
2012 Dodge Ram Pickup

BRAKE CONTROLER & HARNESS WORK GREAT & ARRIVED ON TIME THANKS FOR THE GREAT SERVICE




by:

Works great!




by:

The break controller was just what we need it.




by:

Thanks Susan for helping me out. You found the correct part and install was a breeze. It took about ten minutes to hook up controller and connect harness. Thanks for working with me on the return issue. Looking forward to trying with my toy hauler.




by:

Piece of cake installation. Installed in 10 minutes. Your company should install a shroud over the wires coming from the brake controller to the adapter to hide the single wires.




by:

Great product, only thing I wasn't sure about was if the gain flashed while a trailer was not hooked up. I emailed etrailer and in a timely manner for a response.




by:

Great product, installed within minutes. Very quick delivery. Thanks for the outstanding service.




by:

Great product! Simple installation! The staff was very helpful and order was filled and shipped promptly. Will order from etrailer.com again!




by:

This product is high quality and easy to use and install. Especially for the price. The shipping was extremely fast and the ability to track packet was even better. I would highly recommend using this company and buying this product.




by:

Received order in good time, and have installed in truck. All went well and works as described. Very happy with the price and the service. Will buy again from E-trailer again.




by:
2015 Dodge Ram Pickup

I have 2015 ram 1500. Installation was simple. Might have taken 20 minutes. Setup and adjustment was simple just be sure and read directions. Much smoother braking than old controller.




by:

This makes for a very installation. Instructions were very good. Brake controller installed and ready to use in 10 mins.




by:

service was excellent,everything went so smoothly
.parts ordered fit perfect.I will recommend and use your company
again. Thank you George




by:
2011 Ram 1500

Worked like expected. Got to me in good time. Very satisfied! Would order from etrailer again.




by:

Plug worked great, delivery very quick, priced right. Couldn't ask for more. Took literally five minutes to install the controller with this cable. Nice!




by:

Just as advertised




by:
2015 Dodge Ram Pickup

As described. Plugs for correctly.




by:

Connector wire fits perfectly




by:

Product works awesome, installed literally in minutes, an excellent product at an excellent price. Have had zero problems or issues with it.



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Show More Reviews

See what our Experts say about this CURT Accessories and Parts



  • Brake Controller Wiring Harness for a Curt Brake Controller on a 2012 Dodge Ram
    I have heard that Dodge dealers will tell customers this exact information. The thing is that all that might be true if installing the Dodge controller. But for an aftermarket controller I have not heard that you have to use a 9 Volt controller or that the computer has to be reprogrammed. We have had plenty of customers with 2012 Rams install aftermarket controllers without any issues. All you need is the proper brake controller wiring harness. For Curt brake controller # C51110 you would...
    view full answer...
  • Curt Time Delay Brake Controller Not Working with Brake Pedal on a 2015 Ram 1500
    First, make sure you are using the proper wiring harness for your 2015 Ram 1500 and Curt brake controller. You should be using # C51438. Next, check the stop light/CHMSL fuses on the truck. On a newer truck it is unlikely that fuses would be blown or missing but its easy enough to check. When a brake controller is not working with the brake pedal it usually means there is an issue on the red wire. With the brake controller plugged in and the fuses good though the only other thing it could...
    view full answer...
  • Wiring Harness Needed to Install Curt Tri-flex Brake Controller in 2015 Ram 1500
    You would just need Wiring Adapter, # C51438, in order to install Curt Tri-flex Brake Controller in your 2015 Ram 1500. One end plugs into the controller and the other end plugs into the factory port on the truck. This port is located underneath the dash, to the left of the steering column, and it is taped to another harness near the emergency brake pedal. For install details and some product demonstration videos, click the provided links.
    view full answer...
  • 2012 Dodge Ram 1500 Curt Reflex Brake Controller and Wiring Adapter Troubleshooting and Install
    According to my technical contact at Curt make sure that you do not have the brake depressed while pushing the calibrate button. This might be causing the issues that you are describing. During calibration the brake controllers is checking connectivity to the vehicle. Also check to make sure that the adapter plug that connects the brake controller to your 2012 Dodge Ram 1500 is pinned according to the photo that I have included. If the connector is not pinned correctly then the functions...
    view full answer...
    Image 1 for
  • Installing Curt Venturer Trailer Brake Controller on 2011 Ram 1500
    To install your Curt Venturer Trailer Brake Controller # C51110, you will want to use the Curt Custom Wring Adapter for Trailer Brake Controllers # C51438. This custom wiring adapter will plug into a port under the dash of your truck and the other end will plug into the back of the brake controller. With a custom wiring harness, you will not need to worry about splicing wires together or any other hardwire steps to install the brake controller. The installation instructions for the #...
    view full answer...
    Image 1 for
  • Brake Controller Install Port Location for a 2015 Ram 1500
    The correct adapter to install the Curt Brake Controller part # C51140 in your 2015 Ram 1500 is the part # C51438. 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 right of the steering column near the center console. Sometimes harnesses can be difficult to locate. You would need to dig around under the dash a bit if it is not right there like in the picture.
    view full answer...
  • Is an Adapter Needed to Install Curt Venturer on a 2011 Ram 1500 with OEM 7-Way
    If your 2011 Ram 1500 came with the factory 7-Way then you will need the adapter # C51438 to install the Curt Venturer # C51110. You can find the plug on your pickup under your driver's side dash near the emergency brake pedal. The black connector on the brake controller is actually a universal connector. This allows you to use a variety of adapters without having to cut the connector off of the brake controller.
    view full answer...
    Image 1 for
  • What Plug-in Adapter Do I Need to Install Curt Brake Controller on 2011 Dodge Ram 1500
    In order to connect your Curt TriFlex Trailer Brake Controller # C51140 you'll want to use the Wiring Adapter # C51438. This adapter plugs into the existing wiring on your 2011 Ram 1500 to provide you with an easy installation of a brake controller on your truck. I've linked an installation video of a similar Dodge vehicle that you can use as a guide to help find exactly where to plug into on your truck.
    view full answer...
  • Connection Point for Curt Venturer Brake Controller Wiring Under Dash of 2010 Ram 1500
    Thank you for the photo of your 2010 Ram 1500's under-dash wiring. The gray plug shown does appear to be the correct one for connection to the mating gray plug on the Curt wiring harness # C51438. This Curt connector is shown in the other photo so that you can compare the two. The black connector on the other end of the Curt harness will plug in to the wiring at the back of the Venturer brake controller # C51110.
    view full answer...
    Image 1 for Image 2 for
  • Does Curt Brake Controller Adapter for 2010 Ram 1500 Fit a 2018 Ram 1500
    The adapter that fits the 2018 Ram 1500 is part # C51458. The # C51438 that you used in your 2010 Ram only fits through 2012
    view full answer...
  • Brake Controller Recommendation for 2015 Ram 1500 Express Quad Cab
    When it comes to a brake controller for your 2015 Ram 1500 Express Quad Cab, I recommend taking a look at the Tekonsha Prodigy P3, # 90195. This is our best selling brake controller because of how well it works and how easy it is to setup. In addition to the controller you would just need the Plug-In Wiring Adapter, # 3024-P, and you are ready to go. If you still have the Curt controller from your 2008 Ram you would just need the Wiring Adapter, # C51438, in order to install it in your 2015.
    view full answer...
  • Recommended Replacement Brake Controller for 2010 Dodge Ram with Factory Brake Controller
    I've heard a lot of complaints about the factory brake controller but if you haven't already, I do recommend testing the wiring on the vehicle side first to see where the malfunction is coming from. You'll want to use a circuit tester like the # PTW2992 on the vehicle side brake wire and depress manual override to see if you can re-create the issue. If the signal is getting through from the vehicle but the brakes aren't engaging, the issue will be on your trailer wiring and not the brake...
    view full answer...
  • Parts Needed to Install a Trailer Brake Controller in a 2012 Dodge Ram 1500 Express
    Brake controllers are not vehicle specific so you can use the Curt Venturer # C51110. If your 2012 Dodge Ram came with a factory 4- or 7-Way trailer connector then you would also need wiring harness # C51438. This harness will plug into a connector on the truck. The trucks connector is located under the dash, to the left of the steering column, taped to another harness near the emergency brake pedal. If the truck just has a 4-Way you will need to add a 7-Way using # 37185, about 20 feet...
    view full answer...
  • Wiring Adapters Needed for 2012 and 2015 Ram 1500 Brake Controller
    The 2012 Ram 1500 and 2015 Ram 1500 do not use the same brake controller harnesses. If you are using a Tekonsha, brake controller, your 2012 Ram 1500 will be using Wiring Adapter # 3021-P and your 2015 Ram 1500 will need Wiring Adapter # 3024-P. If you are using a Curt brake controller, your 2012 Ram 1500 will be using wiring adapter # C51438 and your 2015 Ram 1500 will need # C51458. If you are using a Hopkins brake controller your 2012 Ram 1500 will need wiring adapter # HM53015 and...
    view full answer...

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