Oyviny

Oyviny 7-Way RV Blade Trailer Wiring Harness 56443 for 2020-2024 Ford F-250/F-350/F-450/F-550/F-650 — 32" Cable, Plug-and-Play OEM

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$72.48

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Why customers choose NorthTrail Auto

Oyviny 7-way RV blade trailer wiring harness 56443 adds a factory-style 7-pin connector to compatible 2020–2024 Ford F-250 through F-650 trucks when the OEM tow package is present.

This heavy-duty harness supplies a reliable, plug-and-play 7-way socket so you can connect trailer lights, electric brakes and auxiliary power without cutting or splicing the factory wiring. Designed specifically for recent Ford Super Duty trucks that already have the factory towing wiring in place, the harness combines durable materials and a protective loom to withstand outdoor exposure and towing vibrations.

How does this harness connect to my Ford’s factory tow package?

The Oyviny 56443 harness plugs directly into the OEM tow package connector under the rear of the truck—no wire cutting or splicing required. Installation is straightforward and intended to preserve factory wiring integrity while adding a full 7-way RV-style socket.

  • Direct OEM-fitting plug compatible with 2020–2024 F-250/F-350/F-450/F-550/F-650
  • No permanent modifications to factory wires
  • Designed to mate with factory tow module locations under the rear bumper

What functions does the 7-way socket support?

The 7-pin blade-style connector routes standard trailer lighting circuits plus brake, reverse and an auxiliary power feed. It’s suitable for trailers that need lighting, electric trailer brakes and a 12V accessory power source.

  • Taillights, brake lights and turn signals
  • Reverse lighting circuit for backup lamps
  • Electric trailer brake control line and 12V auxiliary power

Is the harness durable enough for regular towing use?

Yes. Oyviny builds the harness with pure copper conductors, an abrasion-resistant nylon wire loom and a tough ABS 7-way socket housing. A spring-loaded dust cover helps keep moisture and debris out of the connector when not in use, extending service life.

  • Pure copper wiring for reliable electrical conductivity
  • Nylon wire loom bundling to resist abrasion and road contamination
  • ABS connector housing and spring dust cover for weather protection

How long is the cable and will it reach my bumper mounting point?

The harness offers approximately 32 inches of cable length, giving flexibility to route and mount the 7-way receptacle in the common bumper-mounted locations on Super Duty trucks. That length balances ease of placement without excess slack that can get damaged.

  • 32-inch total wire run for typical rear bumper or frame-mounted sockets
  • Easy to position for standard factory mounting points
  • Enough slack for secure fastening and strain relief

Who this is for: This Oyviny 7-way wiring harness is intended for owners of 2020–2024 Ford F-250, F-350, F-450, F-550 and F-650 trucks that already have the factory tow package and want a straightforward, OEM-friendly 7-pin RV-style connector. It’s a practical choice for truck owners who tow trailers requiring lighting, electric brakes or auxiliary 12V power and prefer a plug-and-play installation that preserves factory wiring and fitment.

FAQ

Q: Will this harness fit my 2021 Ford F-350?

A: Yes—if your F-350 has the factory tow package, the Oyviny 56443 harness plugs into the OEM connector without cutting wires.

Q: Does the connector include protection from water and dirt?

A: Yes—the 7-way socket uses an ABS housing with a spring-loaded dust cover and a nylon loom for added protection.