Recommended 7-Way Connector for a 1999 Ford F-350 w/a Rectangular Plug
Updated 10/27/2025 | Published 03/24/2025
Question:
I was looking at product HM40975. I have a 99 f-350 and some products say there were two kinds of connectors for that year. My vehicle has a rectangular connector at the rear for the 7 way wiring. Is there a harness I can buy that will plug into vehicle and plug into this trailer plug. I am also interested in a gooseneck plug to run into the bed. If you could point me in the right direction I’d appreciate it. Thanks
asked by: Robert
Expert Reply:
Hey Robert! Thank you so much for that information! We do have a 7-way connect that plugs into a rectangular one for your 1999 Ford F-350. It is the Curt T-Connector Vehicle Wiring Harness for Factory Tow Package item # C55243.
To add a gooseneck plug to your truck bed you'll want the Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness with 7-Pole Plug item # HM40157.
If you have any additional questions feel free to throw them into the comment box below and I'll be happy to help you.
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Product Page this Question was Asked From
Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 7-Way Trailer Connector
- Custom Fit Vehicle Wiring
- Trailer Hitch Wiring
- Vehicle End Connector
- No Converter
- Factory Tow Package
- 7 Blade
- Plug and Lead
- Plug-In
- Visible
- CURT
more information >
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Jerred H.
10/27/2025
Hey Robert, how did the Curt T-Connector and the Hopkins gooseneck wiring harness work out on your F-350? Your update could make it easier for the next person wiring a similar setup.