*Vehicle specific wiring harness - This 4 pin flat wiring connector with 4.8ft wire harness is designed to be a custom wiring option for 2009-2019 Subaru Forester, 2010-2019 Subaru Outback, 2019 Subaru Ascent, 2013-2015 Subaru XV Crosstrek/Except Hybrid, 2016-2019 Subaru Crosstrek/Except Hybrid models. *Connects quickly and easily - No splicing into wires, and don't need to change vehicle's wiring system, the custom wiring connector uses a single OEM-compatible plug and instantly provides a standard, universal vehicle-to-trailer wiring connection, typically in the form a 4-way flat. *For long lasting use - This 4-way trailer wiring harness is built with surface-mount technology (SMT) for consistent, and it comes with a dust cover in the 4 pin plug side to keep the connector clean when not in use, protecting it against the outdoor elements.