CURT 4-Flat Trailer Wiring Harness | 2021-2026 Ford Bronco Non-LED Tail Lights

CURT 56471 Custom 4-Flat Trailer Wiring Harness for 2021-2026 Ford Bronco Without LED Tail Lights

The CURT 56471 Custom 4-Flat Trailer Wiring Harness provides a fast, reliable, and vehicle-specific trailer wiring solution for 2021-2026 Ford Bronco models equipped with factory non-LED tail lights. Designed using CURT's custom T-connector technology, this plug-and-play harness connects directly to the vehicle's existing tail light wiring without cutting, splicing, or modifying factory electrical systems.

Because the CURT 56471 uses integrated powered converter technology and surface-mount circuitry (SMT), it delivers dependable trailer lighting performance while helping protect sensitive OEM vehicle electronics. The system converts Bronco lighting signals into a standard 4-way flat trailer connector capable of operating trailer running lights, brake lights, and turn signals.

According to CURT engineering standards, custom-fit wiring harnesses reduce installation complexity and improve long-term reliability compared to universal wiring kits. The vehicle-specific connectors are designed to match factory plugs exactly, ensuring secure connections and dependable performance in harsh environments including mud, snow, road salt, rain, and off-road conditions.

For Bronco owners towing utility trailers, small campers, cargo trailers, powersports equipment, or outdoor adventure gear, the CURT 56471 provides a professional-grade wiring solution that preserves factory wiring integrity while delivering dependable trailer lighting functionality.

The included dust cover helps protect the connector from moisture and debris when not in use, while the integrated converter module provides compatibility between the Bronco's lighting system and standard trailer lighting requirements.

Technical Specifications

Specification	Details
Manufacturer	CURT Manufacturing
Part Number	56471
Product Type	Custom Trailer Wiring Harness
Connector Type	4-Way Flat
Vehicle Application	2021-2026 Ford Bronco
Tail Light Requirement	Factory Non-LED Tail Lights Only
Installation Type	Plug-and-Play T-Connector
Wire Splicing Required	No
Powered Converter Included	Yes
SMT Circuitry	Yes
Dust Cover Included	Yes
Trailer Functions Supported	Running Lights, Brake Lights, Turn Signals
Warranty	Limited One-Year Warranty

Vehicle Fitment

• Ford Bronco Base | 2021-2026 | Non-LED Tail Lights
• Ford Bronco Big Bend | 2021-2026 | Non-LED Tail Lights
• Ford Bronco Black Diamond | 2021-2026 | Non-LED Tail Lights
• Ford Bronco Outer Banks | Select Non-LED Equipped Models
• Ford Bronco Heritage Edition | Non-LED Equipped Configurations

Fitment Requirements:

• Vehicle must be equipped with factory non-LED tail lights.
• Designed specifically for full-size Ford Bronco models.
• Provides standard 4-way flat trailer connector output.
• Uses factory-style vehicle connectors.

Not Compatible With:

• Ford Bronco models equipped with factory LED tail lights.
• Ford Bronco Sport.
• Vehicles requiring 7-way RV blade trailer connectors without additional adapters.

Installation Notes

• Professional installation recommended.
• Estimated installation time approximately 45 minutes.
• No cutting or splicing required.
• Connects directly to factory tail light connectors.
• Secure converter module according to installation instructions.
• Test all trailer lighting functions after installation.
• Protect exposed wiring from moving suspension and exhaust components.

Why Choose the CURT 56471 Wiring Harness?

Modern Ford Bronco electrical systems contain sensitive electronic modules that benefit from vehicle-specific wiring solutions. The CURT 56471 is engineered to integrate seamlessly with factory wiring while protecting OEM electronics through a powered converter design.

Unlike universal trailer wiring kits that often require cutting and splicing, the CURT custom-fit harness installs using factory connectors for a cleaner and more reliable installation. The integrated SMT circuitry improves performance and durability while minimizing the risk of electrical issues commonly associated with generic wiring solutions.

Whether you're towing camping gear, utility trailers, small boats, powersports equipment, or overlanding cargo, the CURT 56471 delivers dependable trailer lighting performance designed specifically for the Ford Bronco platform.

Frequently Asked Questions

Will this fit Broncos with LED tail lights?

No. CURT specifies the 56471 for Bronco models equipped with factory non-LED tail lights only.

Does installation require cutting factory wiring?

No. The custom T-connector design plugs directly into the factory tail light wiring.

What trailer functions does the 4-flat connector support?

The connector operates running lights, brake lights, and turn signal functions.

Is a converter included?

Yes. An integrated powered converter is included for vehicle-to-trailer wiring compatibility.

Can I connect a 7-way trailer plug?

A separate adapter and additional brake controller wiring may be required depending on trailer requirements.

SKU: 56471