Shop Nilight 4 Pin Custom Trailer Wiring Harness 56420 Vehicle Side Compatible with Hyundai 2019 2020 2021 2022 2023 2024 Santa Fe Santa Cruz Palisade Tucson Kia Telluride Sorento Carnival in high quality. No cutting or splicing factory wire. Plug and play harness. This trailer wiring 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 a trailer.