Upgrade your classic ride with the 1966 Chevrolet Fullsize Wire Harness Front Light Harness. Designed for seamless integration with factory gauges, this harness provides exceptional performance and reliability. Tailored for modified applications, it allows you to incorporate a passenger side 1985 and earlier SI series internally regulated alternator with ease. Elevate your automotive experience and ensure that your vehicle operates at its best with this high-quality wiring solution, setting itself apart from conventional alternatives.