Enhance your classic Buick's lighting with our premium Courtesy Light Harness, specifically designed for the 1965-1966 Fullsize/Riviera models. This high-quality wiring solution ensures optimal performance of your dual rear sail panel lights, delivering bright illumination and a touch of elegance to your vehicle. Unlike generic alternatives, our harness is crafted to original specifications, providing a perfect fit and reliable functionality that will elevate your restoration project.