1、Fitment: This trailer wiring harness is designed for specified vehicles, perfect replacement for Ford Focus Sedan 2012‑2019; Replacement for Ford Focus RS 2016‑2019. 2、Reliable Motivation: This 4 pin flat trailer harness is manufactured using surface mount technology. This type of circuit produces less heat, optimal light intensity, and long lasting performance. 3、Standard Connector: This plug in 4 flat trailer connection can be used to connect trailer taillights, brake signals, and turn signals. And the 4 pin trailer wiring is popular on a variety of trailers and adds a variety of towing options to your vehicle. 4、Dust Cover: For long life, this 4 pole trailer lighting harness comes with a rubber dust cover. When not in use, it can be easily installed to the 4 pin flat connector, protecting it from outdoor factors. 5、Easy to Install: No cutting or stitching, the trailer harness kit plugs into existing factory wiring on your vehicle and equips it with a standard rear 4 pin trailer wiring connector for plugging in and towing trailers. 3 x Trailer Harness 8 x Strap 1 x Screw 4 x Accessory  Item Type: 4 Pin Trailer Wiring HarnessFitment:Replacement for Ford Focus Sedan 2012-2019Replacement for Ford Focus RS 2016-2019