Upgrade your classic 1955-1957 Chevrolet Fullsize with our Steering Column Turn Signal Switch Adapter Harness. Designed specifically for these models, this high-quality harness transforms your Ididit or 1969-1976 GM steering column, seamlessly converting it to work with your stock dash harness. Enjoy enhanced functionality for your horn, directional signals, and 4-way flashers without the hassle. Whether you're restoring a classic or enhancing your ride, this adapter harness is your key to a better driving experience.