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American Autowire Classic Update Kit- 1973-1982 Chevy TruckOne of the Best Wiring Kits Around for your money. Classic car guys know the American Autowire Brand because it is tried, tested and true to the quality restoration project demands. Don't settle for anything less, get the best.Classic Update Kits give you one of the most complete kits on the market to “Make Wiring THAT Easy”. They are designed for specific year, make, and model configurations. The 1973-82 Chevy / GMC Truck Kit is no exception. The kit boasts 12 features making it the most complete system of its type in the industry including: