"1988 C-K Truck" Written for General Motors dealership mechanics, this factory-published original wiring diagram shows you how to follow the wiring from bumper-to-bumper. It will help you understand connector configurations, and locate and identify circuits, relays, and grounds. You will not find these wiring diagrams in the factory shop manual. Wiring diagrams are black and white, but they frequently have color codes printed on each line of the diagram that represents a wire. Find out what is covered by clicking here to see the table of contents.
It is a loose-leaf set of sheets. This diagram covers all 1988 Chevy & GMC C and K Pickup Truck models, including half ton, three-quarter ton, one ton, 1500, 2500, 3500, extended cab, dually, two wheel drive and four wheel drive. Includes both gas and diesel engines. This diagram covers the "new style" C/K trucks for 1988, they do NOT have wing windows. If your truck has wing windows, see the R/V series truck diagram. This set has 26 pages, measures 17.25" x 11" and is 0.19" thick. Because the sheets are oversized, they may be folded in half for shipment. Buy now for the best electrical information available.