Replacement 7-Way Harness for 2011 Ford F-250 Super Duty
Updated 10/25/2017 | Published 10/24/2017 >
Question:
I have a broken adapter part to my trucks trailer wiring plug. Basically, the plug that plugs into the back of the trailer 7 way 4 way plug like this one..Item # HM40975 has a broken tab and wont stay connected. I need to replace that wiring adapter. This is for a 2011 F-250 Super Duty
asked by: Chris K
Expert Reply:
If your 2011 Ford F-250 had the factory 7-Way, it sounds like you just need the Curt T-Connector Vehicle Wiring Harness # C55774. This connector will plug directly into the OEM tow package wiring harness and also provide you with a new 7-Way and 4-Way trailer connector.
I have attached the written installation instructions that you can use for reference.
If you are referring to the factory harness on your truck that this would plug into, then unfortunately this is not a part that we have available. I recommend checking with Ford directly to see if they can replace the OEM harness under the vehicle.
Product Page this Question was Asked From
Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 7-Way and 4-Pole Flat Connectors
- Custom Fit Vehicle Wiring
- Trailer Hitch Wiring
- Vehicle End Connector
- No Converter
- Factory Tow Package
- 4 Flat
- 7 Blade
- Plug and Lead
- Plug-In
- CURT
more information >
Featured Help Information
Instructions
Continue Researching
- Search Results: ram trailer jack
- Search Results: trailer jack
- Shop: Curt E16 5th Wheel Hitch w/ S20 Slider for Ford Super Duty - Slide Bar Jaw - 16,000 lbs
- Shop: Trailer Wiring
- Q&A: Base Rail Kit for 5th Wheel Hitch on 2018 Ford F-250 with Aluminum Bed
- Q&A: Curt 5th Wheel Rail Location Diagram for 2016 Ford F-250 8 Foot Bed
- Video: Installing the Curt 5th Wheel/Gooseneck Wiring Harness in a 2021 Ram 2500
- Video: Checking Out the Curt Custom 5th Wheel Bracket Kit for Ford
- Video: B&W Patriot 5th Wheel Trailer Hitch Head Assembly Replacement Review
- Video: What to Know About the B and W Patriot 5th Wheel Trailer Hitch for Ram
- Video: Curt Fifth Wheel - Sliding Fifth Wheel - C16515-16020 Review
- Video: What to Know About the Curt Universal Fifth Wheel Base Rails
- Video: Replacement Head Unit for Curt E16 Fifth Wheel Trailer Hitch Review
- Shop: Curt E16 5th Wheel Trailer Hitch w/ Slider for Ford Towing Prep Package - Slide Bar Jaw - 16,000 lbs
- Shop: B&W Patriot 5th Wheel Trailer Hitch w/ Slider and Universal Install Kit - Dual Jaw - 18,000 lbs
- Shop: Curt 5th Wheel/Gooseneck Custom Wiring Harness w/ 7-Pole Connector - 10' Long
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Article: Trailer Wiring Diagrams
- Article: Wiring Trailer Lights with a 7-Way Plug (It's Easier Than You Think)
- Q&A: Gooseneck Hitch for 2026 Ram 3500 Big Horn Short Bed
- Q&A: Blue Ox Base Plate Kit that Fits 2024 Jeep Gladiator Rubicon with Plastic Bumpers
- Q&A: Wiring Needed To Tow a Trailer With Brakes With a 2025 Ford Ranger no Tow Package
- Article: Brake Controller Installation: Starting from Scratch
- Article: How to Choose the Right Trailer Hitch Class
- Q&A: Best Rear Suspension Enhancement For 2020 Ram 2500 4WD With In-Bed Gooseneck Hitch
- Q&A: What is the Difference Between a 4-Way and 7-Way Trailer Connector
- Article: How to Install a Brake Controller on Chevrolet / GMC 1999-2006 Pickups
- Article: Holiday 2025 | RVers’ Favorite Gear & Road Picks

