Upgrade your classic 1955-1957 Chevrolet Fullsize with this essential Trico Electro-Vac Wiper System Power Feed Wire. Designed to provide a reliable power connection from the ballast resistor to the wiper motor assembly, this lead wire is perfect for vehicles equipped with fuel injection and without the optional Factory Delco electric wiper system. Enhance wiper performance and ensure your classic rides smoothly, no matter the weather, with a quality product that outperforms the competition.