Upgrade your classic 1959-1960 Chevrolet Fullsize with our top-of-the-line wire harnesses and lead wires. Designed specifically for the A/C blower motor relay equipped with a Cool Pack A/C under dash unit, this high-quality ground wire offers unmatched reliability and performance. Say goodbye to the hassle of electrical failures and enjoy a smooth, cool ride with wiring that stands the test of time.