Upgrade your 1965 Buick Fullsize or Riviera with our premium Transmission Kickdown Switch Repair Harness. Designed specifically for the S.T. 300 automatic transmission, this harness provides a direct solder connection to the terminals on your switch assembly, ensuring reliable performance and improved vehicle functionality. Don’t let a faulty switch hold you back; enhance your driving experience with this easy-to-install and dependable replacement.