This factory information shows you how to repair your vehicle. This is a set of 2 books. With step-by-step instructions-clear pictures-exploded view illustrations-schematics-and specifications-you will have the information you need to get your project on the road and keep it there. This manual covers 1965 and 1966 GMC trucks-including Series 1000-1500-2500-3000-3500-4000-5000-A-AH-BA-BV-BWA-BWV-LA-LV-P-SA-SPA-SPV-SV-WA-WV-V-and VH. It covers pickups-panel trucks-Suburbans-stakes-stepvans-and medium duty trucks. It includes both 2 wheel drive and 4 wheel drive models. If you have the G-1000 van-you need the 1964-1966 Van supplement along with the 1962 and 1964 1000-5000 manuals instead of this book.