Upgrade your classic 1958 Chevrolet Fullsize model with our premium wire harnesses and lead wires designed for superior performance and reliability. This exceptional ground wire setup connects the floor-mounted washer pump switch to the parking brake bracket, ensuring efficient operation of your 2-speed wipers and integrated foot pump-operated wiper/washer system. With easy solder connections directly to the terminal riveted on the switch assembly, this product offers a seamless installation and enhances your vehicle's functionality, making it a smart replacement solution over standard options.