Upgrade your classic ride with the 1966 Chevrolet Windshield Wiper Switch Extension Harness, designed specifically for Chevelle, El Camino, Monte Carlo, and Malibu models. This premium harness ensures seamless connectivity between your windshield wiper motor and the switch while enabling two-speed operation. Say goodbye to unreliable wipers and hello to enhanced functionality; our extension harness is engineered to surpass standard alternatives, delivering outstanding performance and durability for your vintage vehicle.