Covers all models of 1/2 3/4 and 1 ton Pick-Ups Chassis Cab Ramcharger and Trail Duster: 2 and 4 wheel drive gasoline and diesel engines. This series offers do-it-yourselfers of all levels TOTAL maintenance service and repair information in an easy to use format. Each manual contains: trouble codes electronic engine controls maintenance schedules diagnostic charts wiring diagrams tune up specifications and much more.