Add a standard 4-way flat trailer connector to select Toyota Highlander, Grand Highlander, and Lexus TX models using the factory OEM wiring socket. The powered, circuit-protected harness installs without cutting or splicing and provides reliable trailer lighting operation.
The Curt 56524 is a vehicle-specific trailer wiring harness designed for select Toyota Highlander, Grand Highlander, and Lexus TX models. Its OEM-compatible connector plugs directly into the vehicle's existing factory wiring socket, eliminating the need to cut or splice into the original wiring system.
An integrated powered, potted, and circuit-protected converter provides a standard 4-way flat trailer connection for tail lights, brake lights, and turn signals. Surface-mount technology helps reduce electrical resistance and heat while providing dependable performance for towing applications.
Connects directly to the vehicle's existing factory wiring socket
Provides trailer tail, brake, and left/right turn-signal functions
Provides reliable trailer lighting without relying solely on signal circuits
Sealed converter circuitry improves protection and durability
Curt 56524 connects to the compatible OEM vehicle wiring socket. Verify vehicle year, make, model, and factory wiring configuration before ordering.
In The Package: • Curt 56524 Custom Wiring Harness • Powered Taillight Converter • 4-Way Flat Trailer Connector • Rubber Dust Cover • Required Installation Hardware
This harness uses a powered converter and requires the specified 12V power connection during installation. Follow Curt installation instructions for the correct factory connection and routing.