Trailer Wire Circuit Breaker ModuLite HD Protector ModuLite HD Protector; Incl. Integrated Circuit; Overload Protection Trailer Light Power Module; 50 Pack; FEATURES: Convert Vehicle From 3 Wire To Trailer 2 Wire Can Also Be Used On 2 Wire Vehicle Systems Draw Power Directly From The Battery Uses Less Then 5 Milliamps Of The Vehicle Circuit All Solid State Components In Potted Encapsulation Tow Ready is brought to you by the manufacturer of Draw-Tite, Hidden Hitch and Reese Towing products, the leader in the industry. With a heritage of more than 65 years, these brands are recognized worldwide as "Best-in-Class".