CURT Custom Wiring provides everything you need to connect your vehicle's electrical system to a trailer. With plug-and-play connectors, a custom wiring harness easily integrates with your vehicle taillights to provide a standard trailer wiring connector, typically in the form of a 4-way flat. This custom wiring connector features a vehicle-specific design to perfectly fit certain years of the Hyundai Santa Fe, Santa Fe XL, and Veracruz and Kia Sedona and Sorento. It uses an OEM-compatible connector to plug into the vehicle's OEM socket and provides a standard 4-way flat output to power the taillights, brake lights, and turn signals on your trailer. This custom wiring harness comes with a rubber dust cover. This cover keeps the connection points clean and well protected when the connector is not in use.• Plugs into vehicle taillight assembly to provide a 4-way flat socket• Simple plug-and-play design eliminates the need for cutting or splicing• 4-way flat output connects taillights, brake lights, and turn signals• Equipped with taillight converter for vehicle-trailer compatibility• Constructed with SMT circuitry for better performance and durability• Dust cover included to keep connector clean when not in use• Slit loom keeps wires contained and well protected• Factory OEM tow package required for installation• Vehicle battery connection required• Includes fuse holder and other necessary wiring componentsCompatible Vehicles2015-2021 Kia Sedona2011-2020 Kia Sorento excluding EX or Limited2007-2009 Kia Sorento2019 Hyundai Santa Fe XL2013-2018 Hyundai Santa Fe2007-2012 Hyundai Veracruz Provides a standard 4-way flat output to power taillights, brake lights, and turn signals Dust cover included to keep connector clean when not in use | 56332 Custom Wiring Harness, 4-Way Flat, Select Hyundai and Kia, OEM Tow Package Required