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CURT Custom Wiring Harness #55028

Class: Wiring UPC: 612314550289

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MSRP $105.23

  • Plugs into vehicle tail light assembly to provide a 6-way round socket
  • Simple plug-and-play design eliminates the need for cutting or splicing
  • 6-way connects tail, brake, turn signals, electric brakes and auxiliary power
  • Spring-loaded dust cover keeps connector clean when not in use
  • Slit loom keeps wires contained and well protected
  • Backed by a limited one-year warranty
  • Made in USA


  • Upgrade kit OE 4 to 6 w/ relays
Instruction Sheet Download pdf
Electrical System Type 2W
Product Type Description Custom Wiring Harness
Warranty One Year Limited
T-Connector Location T3
Shipping Weight 1.410
Output Type 6-Way Round
UPC 612314550289

Additional Information

A CURT custom wiring harness (also 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 harnesses come into play. Custom wiring harnesses plug into your vehicle's electrical system using original equipment (OEM) connectors. Our custom wiring harnesses use two or more OEM connectors to plug in at the taillight assembly and provide a standard trailer socket to allow a trailer to be plugged into your vehicle's power system.

This harness provides a 6-way round connector socket and is designed to be a custom wiring harness for certain years of the Ford F150 or F250 LD Heritage Edition (to verify your vehicle compatibility, see the CURT application guide at CURT custom wiring harnesses are long-lasting and quick to install. They come with dust covers to keep your connector clean when not in use and feature a one-year limited warranty to give you peace of mind.


Year Make Model Style Install Time Other Hitches
2004 Ford F-150 All
2004 Ford F-150 Heritage All
2 Total Vehicles


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