Upgrade your classic Buick Fullsize or Riviera with our high-quality Speaker Lead Wires Wire Harnesses. Specifically designed for 1963-1964 models, these lead wires ensure seamless connectivity when installing original, replacement, or aftermarket speakers. Featuring the correct connectors to hook up to current GM replacement speakers, these harnesses provide a straightforward installation while preserving your vehicle's vintage feel. Experience superior sound quality and reliability that outshines generic alternatives.