Amazon.com: 55243 7-Pin Vehicle-Side Custom RV Blade Trailer Wiring Harness with Connector for Truck Bed Fit for Ford F250 F350 F450 F550 Super Duty : Automotive
Amazon.com: 4 & 7 Pin Trailer Tow Wiring Harness Plug YC3Z-13A576-CA, Fit for Ford F250 F350 Super Duty 1999 2000 2001 : Automotive
Amazon.com: 4 & 7 Pin Trailer Tow Wiring Harness Plug for 2002 2003 2004 Ford F250 F350 Super Duty Truck 4-Way Flat 7-Way Blade Trailer Wiring Adapter, 7 Blade & 4 Flat
Amazon.com: CURT 56443 Vehicle-Side Custom RV Blade 7-Pin Trailer Wiring Harness, Fits Select Ford F-250, F-350, F-450 Super Duty, Black : Automotive
Ford Replacement OEM Tow Package Wiring Harness, 7-Way (Super Duty) Tow Ready Custom Fit Vehicle Wiring 118243