Delve into the electrical intricacies of your vintage GMC with this comprehensive 1986 wiring diagram set. Perfect for enthusiasts and restorers, these diagrams are specific to the light-duty trucks, including the 1500, 2500, and 3500 CK ST G M P models. Published by General Motors, you can trust in the accuracy and completeness of the information contained within. These diagrams are in a traditional paper format, allowing for easy handling and reference while you're working on your vehicle. Proudly manufactured in the United States, this set is a valuable resource for anyone looking to maintain or repair their classic GMC truck, ensuring you have the information you need to keep your vehicle running smoothly.