Includes Everything Pictured:
Dual-Output 7 & 4-Way Connector (Plugs into USCAR)
Spectrum Integrated Proportional Trailer Brake Controller
Trailer Brake Controller Harness
Installation Hardware (if required)
Installation Instructions (if required)
Installation Schematics & Diagrams (if required)
This Trailer Wiring Harness Fits The Following Vehicles:
- 2019 - 2025 Chevrolet Silverado 1500 All Models
- 2019 - 2025 GMC Sierra 1500 All Models
- 2022 Chevrolet Silverado 1500 LTD All Models
- 2022 GMC Sierra 1500 Limited All Models
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 51170 Spectrum Original Equipment Style, Integrated Electric Trailer Brake Controller, Proportional (QTY 1)
Manufactured by: Curt
The CURT Spectrum trailer brake controller provides powerful brake operation while maintaining a clean, consistent OE look and feel on the dash of your vehicle It is comprised of a main module and a separate user interface This interface is a simple rotary knob with a push-button and ten tri-color LEDs to control and monitor all trailer brake activity.
It also features a triple-axis accelerometer for highly responsive, smooth stops on any grade The separated module and interface of the Spectrum brake controller allow it to integrate with the vehicle unlike any other The main module can be mounted behind the dash and completely out of sight.
The separate rotary knob provides a sleek, subtle interface that mounts on the dash of the vehicle wherever desired It features ten LEDs with three colors each (red, green and blue) to indicate trailer brake activity and power adjustment The rotary knob and integrated push-button allow for simple and effective operation of the control settings and manual adjustment.
The Spectrum trailer brake controller offers superior safety and helps protect the life of your vehicle and trailer with its advanced triple-axis accelerometer This integrated circuit detects the motion of the vehicle and trailer when making stops and applies the precise amount of brake power for maximum efficiency and effectiveness The three axes of the circuit also enable the brake control to compensate when going up or down a hill.
Like most CURT brake controllers, the Spectrum installs using one of our vehicle-specific quick plug harnesses It also has automated leveling and calibration capabilities to simplify and speed up the installation process The Spectrum trailer brake controller comes with mounting hardware for a complete installation..
Features:
- Controls all brake settings with a simple push-button rotary knob
- Clean, dash-mounted, OEM-style user interface with 10 tri-color LEDs
- Main module can be mounted out of sight
- Triple-axis, motion-sensing accelerometer for highly responsive, smooth stops
- Easily accessible manual override with the press of a button
- Features two installation options: drill mount or surface adhesive mount
- Automatic leveling and calibration eliminate setup requirements
- Plug-and-play install with vehicle-specific quick plug harness (sold separately)
- Operates 2-8 trailer brakes at a time (1-4 axles)
- Built-in reverse-polarity and short-circuit protection
- Compatible with low-volt, PWM, ABS, cruise control and electric over hydraulic
- Tow vehicle 'low voltage' and trailer disconnect indicators
- Limited lifetime warranty
CURT 51525 Quick Plug Brake Controller Wiring Harness (QTY 1)
Manufactured by: Curt
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 Cadillac Escalade and Chevrolet Silverado / GMC Sierra 1500, 2500 HD and 3500 HD, Tahoe, Suburban, Yukon and Yukon XL (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..
Features:
- Allows a CURT trailer brake controller to be plugged into OEM socket
- Quick plug harness installs with plug-and-play convenience
- 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
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
