The Fisher & Western 63392 is a genuine 9-pin relay-style control wiring harness for Western Unimount and Fisher plows. This specialized wiring kit is designed to fit 1999-2002 (new body style) Chevrolet and GMC trucks with HB3-HB4 headlights and daytime running lights (DRL). It comes with all necessary components, including the control harness, headlight harness, and relays, ensuring a correct and seamless electrical connection for your plow's functions.