4 Pin 7 Pin Trailer Wiring Harness Plug Compatible with Super Duty 2002 2003 2004 Hitch Tow Connector Assembly Features： 1、OE Number: The referencing OE number of this trailer tow wiring harness is 2C3Z 13A576 DA, which is molded and designed depend on the original data, and maintaining the original car model. 2、Fitment: The trailer hitch wiring plug assembly is a replacement for Super Duty 2002 to 2004, please check the model and year of manufacturing before ordering. 3、Trailer Tow Wiring Harness: Connect your trailer's tail lights, brake lights, backup lights, turn signals, electric trailer brakes, and auxiliary power cables with ease using a trailer tow wiring harness. 4、Multi Tow Connector: Comes with a spring loaded dust cover for a 7 way blade to keep the socket clean when not in use and equips black sealed tubing wire conduit keeps wires contained and well protected. 5、 Components: The components used in the trailer hitch wire harness create very little resistance to reduce heat, limit voltage drop and extend the life of the circuits. Specification： Item Type: Trailer Tow Wiring Harness OE Number: 2C3Z 13A576 DA Material: Metal Fitment: Fits for Super Duty 2002-2004 Package List： 1 x?Trailer?Tow?Wiring?Harness