Upgrade your classic 1966 Chevrolet Chevy II/Nova with our top-of-the-line Backup Light Switch Extension Harness. Designed specifically for seamless connectivity between your fuse block, backup light switch, and rear body harness connector, this harness ensures reliable performance and safety for your vehicle. Unlike generic alternatives, our custom-fit wire harness guarantees optimal compatibility and ease of installation, letting you maintain the original charm of your classic car while enhancing its functionality.