The Clymer Chevy & GMC Vans 1967 - 1982 Shop Manual is a comprehensive guide that includes wiring diagrams and clutch information for GMC vans produced between 1967 and 1982. Published by Clymer in the United States, this paper manual is a valuable resource for owners and mechanics looking to service and repair these specific vehicle models. With detailed instructions and diagrams, this manual provides essential information for maintaining and troubleshooting Chevy and GMC vans from the specified years. *READ- HAS SOME WEAR AND discoloration. Repair shop smell.