Upgrade your classic Buick Fullsize or Riviera with our premium Heater Harness, designed specifically for 1964 and 1965 models without A/C. This high-quality wire harness ensures optimal heating performance and durability, making it an essential component for a comfortable driving experience. Say goodbye to frayed wires and unreliable connections—our harness is engineered to provide superior reliability compared to generic alternatives, keeping you warm on the coldest days.