The 1989 GM EMD GP60 Locomotive Troubleshooting Guide is a valuable resource for collectors and transportation enthusiasts interested in the inner workings of this United States-built locomotive. This manual provides detailed instructions to help users troubleshoot and maintain the GP60 locomotive model, ensuring optimal performance and longevity. With a focus on input/output systems, this guide is essential for anyone looking to understand and preserve the history and mechanics of railroad technology. This is a field copy used by a Southern Pacific Railroad Electrician. Save pictures for condition and detail details.