CURT 56564 Custom 4-Pin Trailer Wiring Harness, Fits Select Lexus RX Series, Vehicle-Side T-Connector, Plug-and-Play No-Splice Install, Tail Light Converter, Dust Cover

Add a standard 4-way flat trailer connector to select Lexus RX Series vehicles with the CURT 56564 custom wiring harness. This vehicle-side trailer wiring kit plugs into existing factory tail light wiring for a clean, no-splice installation. The 4-pin connector powers basic trailer lighting functions, including tail lights, brake lights and turn signals. Built-in SMT circuitry and a tail light converter help support reliable vehicle-to-trailer compatibility, while the included dust cover helps protect the connector when not in use. Includes custom wiring harness, 4-way flat connector, dust cover and required wiring components. Verify exact year, trim and fitment before purchase.

• EASY TO INSTALL — No cutting or splicing. This custom 4-pin trailer wiring harness plugs into existing factory wiring on select Lexus RX Series vehicles, adding a standard rear 4-way flat connector for towing.
• STANDARD CONNECTOR — 4-way flat trailer wiring connects trailer tail lights, brake lights and turn signals, giving your Lexus RX versatile towing options for utility trailers, cargo carriers and small trailer setups.
• VEHICLE-SPECIFIC — Designed for select Lexus RX Series model years, this vehicle-side T-connector helps ensure a clean fit with factory tail light assemblies and reduces universal-fit guesswork before installation.
• RELIABLE POWER — Built with surface mount technology and an integrated tail light converter, this trailer wiring harness helps support consistent light output, reduced heat and dependable vehicle-to-trailer compatibility.
• DUST COVER — Included rubber dust cover fits over the 4-way flat connector when not in use, helping protect the socket from dirt, moisture and outdoor exposure for longer-lasting connection quality.