This vehicle specific plug-in wiring harness uses a single OEM-compatible plug and instantly provides a standard, universal vehicle-to-trailer wiring connection with a 4-way flat connector. It is designed to be a plug and play wiring option to power your trailer lights for certain years of Hyundai Palisade, Hyundai Santa Fe, Hyundai Santa Cruz, Hyundai Tucson, Kia Telluride and Kia Carnival (factory tow package required).