Add a standard 4-way flat trailer connector to select Hyundai and Kia vehicles using the factory OEM wiring socket. The powered, circuit-protected harness installs without cutting or splicing and provides trailer tail, brake, and turn-signal functions.
The Curt 56420 is a vehicle-specific trailer wiring harness designed for select Hyundai and Kia models equipped with the appropriate OEM trailer-wiring socket. Its factory-style connector plugs directly into the vehicle wiring, eliminating the need to cut, splice, or solder into the original electrical system.
An integrated powered and circuit-protected taillight converter translates the vehicle lighting signals into a standard 4-way flat trailer connection. Surface-mount technology helps improve circuit efficiency and durability while supporting reliable trailer tail lights, brake lights, and turn signals.
Connects directly to the vehicle's existing factory wiring socket
Provides trailer tail light, brake light, and turn-signal functions
Integrated converter provides compatible vehicle-to-trailer lighting operation
SMT electronics improve durability and help protect the wiring system
Curt 56420 requires the compatible factory OEM wiring socket. Verify the exact vehicle year, make, model, and wiring configuration before installation.
In The Package: • Curt 56420 Custom Wiring Harness • Powered Taillight Converter • 4-Way Flat Trailer Connector • Rubber Dust Cover • Installation Hardware
This harness plugs into the vehicle's existing OEM trailer-wiring socket rather than splicing into the taillight wiring. The required factory connector must be present for installation.