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1969 1970 GMC 100-500 Truck Shop Service Repair Manual PDF Engine Wiring

This Factory Licensed PDF will contain the same information as the original manual(s). Both the 1969 Service Manual and the 1970 Supplement are included on the PDF. It covers body, chassis, mechanical and electrical. There are sections on suspension, driveline/axle, brakes, engine, transmission, body, accessories, etc. This PDF includes wiring diagrams. The manuals were published by the factory, to provide information on diagnosis, service procedures, adjustments and specifications, there is none better. The books are loaded with diagrams and illustrations to show you how to disassemble, repair and reassemble the various components and frequently gives troubleshooting information. All pages are available to print out as an instant reference while working in the garage, away from the computer.