Enhance the reliability and performance of your classic 1964 Chevrolet Biscayne or Bel Air with our premium Rear Body Harness. Designed specifically for 4-door models equipped with factory-installed backup lights, this wiring solution offers a seamless connection from the dashboard to the rear body panel. Unlike standard wiring options, our harness is constructed to meet or exceed OEM specifications, ensuring optimal performance and longevity.