Enhance your classic Chevrolet's wiring integrity with our premium Courtesy/Dome Light Door Jamb Switch Extension Wire. Specifically designed for 1964 Belair and Impala models, this wire harness effortlessly connects your dash harness to the passenger side front door jamb, ensuring seamless functionality for your courtesy and dome lights. Durable and reliable, our wire extension offers a superior alternative to generic options, enhancing both safety and performance in your beloved vehicle.