Upgrade your classic 1967 Buick Fullsize or Riviera with our premium Courtesy Light Harness, designed specifically for dual rear sail panel lights on the Electra 225 4-Door Hardtop. This high-quality wiring solution not only ensures a perfect fit but also enhances the overall functionality and safety of your vehicle's lighting system. Say goodbye to unreliable lighting and enjoy the serenity of knowing your harness is built to last, outperforming alternative options on the market.