Uncover the detailed electrical wiring blueprint for your 1986 GMC C5, C6, C7 Astro with this authentic General Motors publication. This manual offers a comprehensive overview of the vehicle's electrical system, ensuring you have a precise reference for maintenance or restoration purposes. Printed in the United States, this paper manual is an invaluable resource for understanding the intricate wiring schematics and components that make up your GMC Astro van. Whether you're a DIY enthusiast or a professional mechanic, this diagrams manual will guide you through troubleshooting and repair with ease.