Elevate your classic Chevy's electrical system with the Lectric Limited Backup Light Switch Extension Harness, specifically designed for 1965-1966 Chevrolet Chevelle, El Camino, Monte Carlo, and Malibu models. This high-quality wire harness ensures a seamless connection between your dash harness and the transmission-mounted backup light switch of your 4-speed manual transmission, greatly enhancing the reliability of your backup lighting system. Unlike generic alternatives, our extension harness is tailored for these iconic vehicles, providing a perfect fit and superior performance.