Upgrade your classic 1963 Chevrolet Fullsize with our premium Lectric Rear Body Light Harness. Designed specifically for vehicles equipped with backup light sockets, this harness ensures a seamless fit and reliable performance. Featuring precision-engineered light sockets that fit perfectly into .903" holes, it connects effortlessly to your existing wiring, unlike generic alternatives that may require extensive modifications. Elevate your restoration work while enhancing safety and functionality with our high-quality wire harness solution.