Elevate your classic 1958-1960 Chevrolet Fullsize with our premium wire harnesses and lead wires, meticulously crafted for exceptional performance and reliability. This superior ground wire setup connects the floor-mounted washer pump switch, ensuring optimal operation of your 2-speed wipers and integrated foot pump-operated wiper/washer system. Featuring easy solder connections directly to the terminal riveted on the switch assembly, this product guarantees a seamless installation while enhancing your vehicle's functionality, making it a superior replacement option over standard alternatives.