Upgrade your classic Chevrolet with our premium Backup Light Switch Harness designed for 1958-1960 Fullsize models. This high-quality wire harness connects your fuse block to the lead wires from the transmission-mounted backup light switch, ensuring a reliable and efficient performance for your vehicle's lighting system. Say goodbye to unreliable connections and enjoy enhanced safety and visibility with our durable harness that outperforms alternatives available on the market.