Upgrade your classic Chevrolet's electrical system with the GM 1973-1982 Classic Update Series Wiring Harness System. This premium wiring solution is designed specifically for Chevrolet trucks, pick-ups, Suburbans, and Blazers from 1973 to 1982, offering modern flexibility while maintaining the vintage charm of your vehicle. With enhanced routing options and compatibility with popular accessories, this harness ensures your vehicle remains reliable and functional for years to come.