"1988 M Van" 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. This diagram covers 1988 Chevy Astro & GMC Safari Van models, including cargo & passenger vans. It is a set of loose-leaf sheets. This set has 74 pages, measures 8.5" x 11" and is 0.25" thick. Because the sheets are oversized, they may be folded in half for shipment. Buy now for the best electrical information available.
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