Ford Replacement OEM Tow Package Wiring Harness, 7-Way The Ford Replacement OEM Tow Package Wiring Harness part # 118243 is indeed a fit for a 2000 Ford F-250. It will replace the 7-way trailer connector as well as part of the trailer wiring harness from the square pigtail onward. I would not have any options to replace any part of the factory trailer wiring harness up to the square pigtail. Ford Replacement OEM Tow Package Wiring Harness, 7-Way If you are using the Ford Replacement OEM Tow Package Wiring Harness, 7-Way # 118242 on your 2006 Ford F-150, that is most likely the issue. That harness only is compatible with models up to 2004. For your 2006 F-150, you will either use the 4 way # C56031 to give you a 4-way trailer connection or # 74682 if you are replacing a 7-way connector. Exact OEM Reproduction Wiring Harnesses and RestoMod For those who are modernizing your 1953-76 CORVETTE and want to add accessories that were not available when your vehicle left the factory. This harness system provides the flexibility to tailor your wiring for the customized upgrades you want installed. This is a complete front-to-rear harness system. For more information, see below. Learn More 1949 & Later Ford Parts | Early Ford Parts | Third Gen 1948-50 Ford pickup V8 NEW original type dash wiring harness Dashboard , Electrical & Wiring , Pickup Truck Parts Regular Price $ 299 excl Part No. 8RC-14401 Fender Flares - WILD HORSES Early Ford Bronco Parts Fender Flares for 66-77 early Ford Broncos. Check out our almost indestructible Gorilla Warflares and Silverbacks.