Replacement 4/7Pin Trailer Tow Harness Connector with Bracket Purpose and benefits Restores trailer lighting and towing electrical functions by replacing a damaged or worn rear connector. Saves time with a directfit replacement for the listed part numbers and vehicle models, reducing installation effort and troubleshooting. Supports both common trailer wiring types so a single unit works with a wide range of trailers. Key features Connector types: supports 7pin RV blade and 4wire flat trailer connections for compatibility with most small trailers, travel trailers, and horse trailers. Mounting: includes bracket for secure attachment at the rear of the vehicle. Function: provides standard trailer lighting circuits to power tail lights, brake lights, turn signals, and running lights. Replacement fitment: compatible with part numbers 9U5Z14489MAA and FU5Z14489A. Vehicle compatibility (direct fit for listed years and models) 20092019 F150 models 20092019 F250 models 20092019 F350 models 20092019 E450 Super Duty models 20092016 Super Duty 150 250 350 450 550 models 20152019 Transit 150 250 350 models 20182019 Expedition models 20102014 Lincoln Mark LT models 20182019 Lincoln Navigator models Placement on vehicle: rear Important note Only suitable for vehicles equipped with factory trailer towing from the factory. Confirm your vehicle has the factory trailer towing provision before . Typical use scenarios a cracked or corroded rear connector on a 2012 F150 to restore trailer lighting for weekend towing. Install on a work truck used to pull a utility trailer to ensure reliable power to trailer lights and turn signals. Swap in a directfit connector on a Super Duty model after damage from road debris or wear to the truck to towready condition. Compatibility, mounting location, and supported connector types are provided to help confirm fit and function before installation.