Upgrade your classic ride with the GM 1973 Rear Body Light Harness designed for Chevrolet Chevelle, El Camino, Monte Carlo, and Malibu models. This premium wiring solution ensures seamless connectivity to your passenger-side rear side marker light, completing your rear body panel wiring without hassle. Unlike generic alternatives, our custom-fit harness offers superior durability and easy installation, making it the perfect choice for enthusiasts who value quality and performance.