Whether you're a contractor on your way to the jobsite or just a casual fisherman heading to the boat landing, you need working trailer lights to tow safely and legally. For any towing setup, CURT offers quality wiring components, including complete wiring kits, circuit breakers, wiring connectors and more. These relays are rated for 35 amps, 12 volts DC and feature a 4-terminal layout. They are recommended for applications where over-current protection is required. This package contains 12 relays.