Equip your Toyota Sienna for towing with this CURT custom wiring harness, designed for a seamless vehicle-specific fit. The plug-and-play design eliminates the need for cutting, splicing, or soldering, providing a complete installation kit.

• Plugs directly into the vehicle tail light assembly to provide a reliable 4-way flat socket.
• Simple plug-and-play design eliminates the need for cutting, splicing, or soldering wires.
• 4-way flat output connects essential trailer functions including tail lights, brake lights, and turn signals.
• Includes a powered 3-wire to 2-wire tail light converter for seamless electrical integration.