Towing Made Easy! 🚀 Surface mount technology for optimal light intensity. Includes a rubber dust cover for long-lasting protection. Designed specifically for select Toyota Prius models. Standard 4-pin connector for all your towing needs. No cutting or splicing required! Weather-resistant cover Plug-in convenience Vehicle-specific fit The Curt Manufacturing 56147 Vehicle-Side Custom 4-Pin Trailer Wiring Harness is a plug-and-play solution designed for select Toyota Prius models. This easy-to-install harness connects seamlessly to your vehicle's factory wiring, providing a reliable 4-pin connector for all your towing needs. Built with advanced surface mount technology, it ensures optimal performance while the included dust cover protects against the elements.