Includes Everything Pictured:
Dual-Output 7 & 4-Way Connector (Plugs into USCAR)
Discovery NEXT Trailer Brake Controller Time-Delay
Universal Trailer Brake Controller Harness with Pigtails
Installation Hardware (if required)
Installation Instructions (if required)
Installation Schematics & Diagrams (if required)
This Trailer Wiring Harness Fits The Following Vehicles:
- 2014 - 2025 RAM ProMaster 1500 w/ Existing USCAR 7-way
- 2014 - 2025 RAM ProMaster 2500 w/ Existing USCAR 7-way
- 2014 - 2025 RAM ProMaster 3500 w/ Existing USCAR 7-way
CURT 55774 Dual-Output Vehicle-Side 7-Pin, 4-Pin Connectors, Factory Tow Package and USCAR Socket Required (QTY 1)
Manufactured by: Curt
A CURT custom wiring connector (sometimes called a T-connector) is a simple, plug-and-play electrical device that eliminates the need for cutting, splicing and soldering when installing vehicle-to-trailer wiring Most vehicles do not come ready to tow Unless your vehicle has a towing package, it is probably not equipped with a trailer wiring connector.
This is where CURT's custom wiring connectors come into play A custom wiring connector uses a single original equipment plug to plug into a special socket provided by your vehicle Though this option is not available on every vehicle, some automotive manufacturers design their vehicles to be easily equipped for towing by supplying a socket, integrated into the vehicle's electrical system, to readily accept a custom wiring connector.
With a CURT custom wiring connector, there is no need to tap into the taillight assembly because a special socket is already provided This special custom wiring connector actually provides two connector sockets for a multipurpose option It plugs into an OEM connector and offers a 4-way flat and 7-way RV blade connector.
It comes with a mounting bracket for easy installation and is designed to be a custom wiring option for a variety of vehicles (see application info to verify fitment) CURT custom wiring connectors are designed to be long-lasting and simple to install They come with dust covers to keep your connector clean when not in use..
Features:
- Dual-Output 7 & 4-Way Connector (Plugs into USCAR)
- Plugs into USCAR socket to provide 4-way and 7-way trailer wiring connectors
- Fits USCAR-equipped vehicles with factory tow plugs only
- Simple plug-and-play design eliminates the need for cutting or splicing
- 4-way flat output connects tail lights, brake lights and turn signals
- 7-way RV blade socket adds reverse lights, electric brakes and auxiliary power
- Dust covers included to keep connectors clean when not in use
- Slit loom keeps wires contained and well protected
- Metal bracket securely mounts wiring to the vehicle or trailer hitch
- Backed by a limited one-year warranty
CURT 51126 Discovery NEXT Electric Trailer Brake Controller, Time-Delay, Fully Adjustable, Low Profile, 2-4 Axles, Plug-and-Play (QTY 1)
Manufactured by: Curt
Introducing the CURT Discovery NEXT, a powerful, compact, and user-friendly brake controller designed to ensure reliable operation of your electric trailer brakes right from the comfort of your vehicle's cabin With its sleek and modern design, as well as a low-profile bracket for improved clearance, this controller delivers exceptional control Manage the braking system of 2-8 trailers at a time, accommodating 1-4 axles, with ease thanks to its fully adjustable settings that seamlessly adapt to your specific vehicle-trailer configuration.
The Discovery NEXT represents an upgraded and enhanced iteration of our highly regarded Discovery brake controller It boasts compatibility with a wide range of brake systems, including low-volt, PWM, ABS, cruise control, and electric over hydraulic brakes Its slim profile strikes a balance between functionality and modern aesthetics, ensuring powerful brake control is right at your fingertips without overwhelming your vehicle's dashboard.
Stay informed about your brake settings at a glance, courtesy of the LED display that showcases power adjustments in precise 0.5 increments The display also provides comprehensive full-text diagnostics, simplifying troubleshooting, while the adjustable brightness guarantees optimal visibility for towing during any time of the day or night Moreover, the included unique mounting bracket further enhances clearance, allowing for an unobtrusive installation.
Equipped with a time-delay feature, the Discovery NEXT brake controller offers fully adjustable power and ramp time to achieve precise control With a selection of 10 gain settings and nine load settings, you can finely calibrate the controller to align perfectly with your specific towing requirements The ramp-up progress is clearly indicated through LED indicators, and the brightness is adjustable to suit the conditions of daytime or nighttime towing..
Features:
- Slim, low-profile design for a functional, modern aesthetic
- Unique bracket system for improved dash clearance
- Fully adjustable power and ramp time
- Operates 2-8 trailer brakes at a time (1-4 axles)
- No internal moving parts and no leveling required
- 10 gain settings and 9 load settings to adapt to various driving conditions
- LED display shows power adjustments in 0.5 increments
- Day-night mode and adjustable brightness for optimal visibility
- Mounts anywhere in the vehicle, at any angle
- Full-text diagnostics for easier troubleshooting
- Compatible with low-volt, PWM, ABS, cruise control and electric over hydraulic
- Auto-sleep mode prevents battery drain after five minutes of idle time
- Plug-and-play install with vehicle-specific quick plug harness (sold separately)
CURT 51515 Quick Plug Universal Electric Trailer Brake Controller Wiring Harness (QTY 1)
Manufactured by: Curt
It takes a lot of power to stop a moving trailer, especially when that trailer is hauling livestock, construction materials, industrial equipment or other heavy-duty cargo Play it safe when you tow and give your trailer brakes the control they need with a CURT trailer brake controller and brake controller harness CURT quick plug brake controller harnesses make the installation of your brake controller easy.
This brake controller harness comes with pigtails to splice into your vehicle's electrical system When a CURT quick plug harness is not a compatible option for your vehicle, a quick plug with pigtails is the next best thing These harnesses feature a quick plug end to easily snap into your CURT brake control and colored wires to coordinate with the appropriate electrical function.
This universal splice-in harness comes with a protective slit loom sleeve and can easily be installed using the CURT universal wiring kit #51500 It is designed to be compatible with a variety of vehicles that are not equipped with a factory plug for a brake control..
Features:
- Splices into a vehicle for a quick plug brake controller connection
- Compatible with any CURT brake control
- Wire colors match standard brake controller harnesses
- Includes 24" of 12 gauge wire for flexible installation
- Slit-loom sleeve keeps wires contained and protected
List of Fitment Years:
2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014
Hitches Near Me: We operate out of several warehouses across the country, ensuring faster delivery to your location.
Order today or message us for more information
