Revitalize your classic 1955 Chevrolet Pickup and boost its reliability with our premium Alternator Conversion Harness. Specifically designed to convert your vehicle from a 6-volt to a 12-volt system, this harness optimizes performance while ensuring compatibility with the powerful 1973-85 SI series internally regulated alternator. Wave farewell to dim lights and sluggish starts—embrace improved electrical efficiency and modern convenience with this vital upgrade!