Upgrade your classic ride with our high-quality Rear Body Light Harness designed specifically for the 1966 Chevrolet Fullsize models, including Biscayne and Bel Air. Engineered for optimal performance and durability, this harness ensures your rear body panel lights function seamlessly, providing you with peace of mind and enhancing the aesthetic of your vehicle. Say goodbye to frayed wires and unreliable connections—our harness offers a reliable solution that stands out against inferior alternatives.