Upgrade your classic ride's horn system with our high-quality Horn Wire Extension Harness, engineered specifically for the 1965 Chevrolet Chevelle, El Camino, Monte Carlo, and Malibu. This essential component allows for seamless connection and optimal performance of your 3rd note trumpet horn (option code), ensuring that your vehicle sounds as impressive as it looks. With its durable construction and straightforward installation, this harness stands out against the competition, providing safety and reliability for your automotive needs.