Wired Harnesses 55411 Custom 4-Pin Trailer Wiring Harness T-Connector 4-Way Flat

The Wired Harnesses 55411 is a vehicle-side custom 4-pin trailer wiring harness — also known as a T-connector — designed to integrate with your vehicle's existing taillight wiring and deliver a standard 4-way flat output for towing. No cutting, splicing, or soldering required for compatible applications.

Using OEM-compatible connectors, this harness plugs directly into the taillight assembly and converts the vehicle's 2-wire system into a universal trailer lighting connection capable of powering tail lights, brake lights, and turn signals on any standard 4-flat trailer.

Key Features:

• Standard 4-way flat connector output for universal trailer compatibility
• 2-wire system design with plug-and-play installation — no cutting or splicing required on compatible vehicles
• Color-coded wires for simplified, error-free installation
• Ergonomic connector socket with grip tabs for easy plug-in and removal
• Rubber dust cover included to protect the connector from the elements when not in use
• Slit loom wire protection keeps leads contained and shielded from abrasion
• OEM-compatible connectors T into the factory taillight assembly for a clean, secure fit
• Wiring position: behind passenger side rear bumper
• UPC: 612314554119

This custom trailer wiring harness is a reliable and professional solution for adding tow-ready electrical capability without modifying factory wiring. Backed by a limited one-year warranty.