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Select your vehicle to confirm this part fits.
2015 - 2024 Ram 1500
Confirmed to Fit
2019 - 2024 Ram 1500 Classic
Confirmed to Fit
2015 - 2024 Ram 2500
Confirmed to Fit
2015 - 2024 Ram 3500
Confirmed to Fit
2016 - 2024 Ram 4500
Confirmed to Fit
2016 - 2024 Ram 5500
Confirmed to Fit




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Software in vehicle must be updated by dealership in order to accept an aftermarket brake controller. Failure to update may result in damage to vehicle.
Warranty: One-Year Limited Warranty
Installation Difficulty: Novice
Installation Time Exact (Minutes): 10
A CURT Quick Plug brake controller wiring adapter is one of the fastest and easiest ways to plug your brake controller into your vehicle. It requires no cutting or splicing! Just insert the vehicle-specific plug end into the OEM vehicle?s factory brake controller socket. The other end plugs into your CURT trailer brake controller. Quick Plug harnesses are available for a variety of vehicles and are unique for each vehicle application to provide the easiest possible installation. This particular brake controller harness fits certain years of the Ram 1500, 1500 Classic, 2500, 3500, 4500 and 5500 (without factory integrated brake controller ITBC) (see application info to verify fitment). CURT Quick Plug harnesses are compatible with most CURT brake controls and can be used as a replacement or for a new control unit installation. They're also great for towing all types of trailers with electric brakes. For versatile mounting of your trailer brake controller this Quick Plug wire harness measures two feet long. It also features a slit loom sleeve to keep the wires protected against crushing and abrasions. CURT Quick Plug wire plug-in adapters are made with 12-gauge wires for a reliable connection and braking, and come with zip ties to keep the harness contained and out of sight. NOTE: Software in vehicle must be updated by dealership in order to accept an aftermarket brake controller. Failure to update may result in damage to vehicle.

CURT offers a variety of high-quality trailer hitches and accessories for select vehicle models. Find the perfect fit for your towing needs at TowUniverse.
CURT, a Lippert brand, offers a complete line of towing products and is the leading manufacturer of custom-fit trailer hitches. We offer the broadest selection of custom-fit hitches, and each one is designed, welded, and coated in Wisconsin.
CURT is also a leader in flat towing products, as well as 5th wheel, gooseneck, and weight distribution hitches, ball mounts, electrical components, cargo solutions, and other towing accessories.
For everything from passenger cars and vans to full-size pickups and SUVs, CURT is 'The First Name in Towing Products®.'
Experts available to answer your questions
Call 888-634-9494Rediscover "Us" Time | Tested. Proven. Safe. Towing Products
6 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2015 - 2024 | Ram 1500 | Installation Location: BH2 Installation Time: 30-60 minutes Without factory integrated brake control (ITBC) |
| 2019 - 2024 | Ram 1500 Classic | Installation Location: BH2 Installation Time: 30-60 minutes Without factory integrated brake control (ITBC) |
| 2015 - 2024 | Ram 2500 | Installation Location: BH2 Installation Time: 30-60 minutes Without factory integrated brake control (ITBC) |
| 2015 - 2024 | Ram 3500 | Installation Location: BH2 Installation Time: 30-60 minutes Without factory integrated brake control (ITBC) |
| 2016 - 2024 | Ram 4500 | Installation Location: BH2 Installation Time: 30-60 minutes Without factory integrated brake control (ITBC) |
| 2016 - 2024 | Ram 5500 | Installation Location: BH2 Installation Time: 30-60 minutes Without factory integrated brake control (ITBC) |
The CURT Trailer Brake Controller Harness, Select Ram 1500, 2500, 3500, 4500, 5500 Trailer Brake Control Harness (Part #BKDK51457) fits 2015-2024 Ram 1500 models. The 2024 model year is the last year covered by this part number. For newer models, check for an updated version.
Yes, the CURT Trailer Brake Controller Harness, Select Ram 1500, 2500, 3500, 4500, 5500 Trailer Brake Control Harness (Part #BKDK51457) is designed to fit the 2015-2024 Ram 1500.
The CURT Trailer Brake Controller Harness, Select Ram 1500, 2500, 3500, 4500, 5500 Trailer Brake Control Harness (Part #BKDK51457) fits the following vehicles: 2015-2024 Ram 1500; 2019-2024 Ram 1500 Classic; 2015-2024 Ram 2500; 2015-2024 Ram 3500; 2016-2024 Ram 4500; 2016-2024 Ram 5500. Always verify your specific year, make, and model before ordering.
The CURT Trailer Brake Controller Harness, Select Ram 1500, 2500, 3500, 4500, 5500 Trailer Brake Control Harness (Part #BKDK51457) Typical installation time is 30-60 minutes. Basic hand tools are typically all you need.
The CURT 51457 brake control harness is designed for Ram 1500, Ram 2500, and Ram 3500 models. Your vehicle must have the factory brake control harness connector located to the right of the steering column underneath the dash.
The CURT 51457 is a brake control harness that connects your vehicle's factory brake system to a brake control unit. It allows you to operate trailer brakes from inside your vehicle. The harness must be used with a separate brake control unit, which is sold separately.
The CURT 51457 includes the brake control harness with connectors and cable ties for securing the harness. You will also need a separate brake control unit, which is not included.
The vehicle brake control harness connector is located to the right side of the steering wheel, underneath the dash. It will be taped to another harness. The connector is grey and similar in appearance to the CURT brake control harness connector.
1. Locate the grey vehicle brake control harness connector to the right of the steering wheel under the dash. Remove any foam padding on the connector. 2. Insert the CURT brake control harness connector into the vehicle connector, ensuring it is fully inserted with locking tabs in place. 3. Insert the black connector on the brake control harness into the brake control unit's quick plug connector. 4. Secure the harness with the provided cable ties, avoiding pinch points.
Yes. If there is foam padding on the vehicle brake control harness connector, you must remove it before inserting the CURT brake control harness connector.
The connector is fully inserted when the locking tabs are in place. Check that the connector seats completely and the locking tabs engage properly before proceeding.
Avoid pinch points when securing the harness with the provided cable ties. Pinching the harness can damage the wires and cause electrical problems.
After installation, test for proper function by following the brake control unit instruction manual. The CURT 51457 manual does not include detailed test procedures; refer to your brake control unit's user manual for specific testing steps.
Yes, the CURT 51457 brake control harness is designed for Ram 1500, 2500, and 3500 models. Your vehicle must have the factory brake control harness connector under the dash to the right of the steering column.
You need a separate brake control unit, which is sold separately. The CURT 51457 harness connects your vehicle's brake system to the brake control unit.
No drilling or vehicle modification is required. The CURT 51457 connects to the existing factory brake control harness connector under the dash.
Yes, if foam padding is present on the vehicle brake control harness connector, remove it before connecting the CURT 51457.
Avoid pinch points when securing the harness with cable ties. Ensure the connector is fully inserted with locking tabs in place. Follow all steps in the manual for proper function.





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