This is old and used so there are blemishes and imperfections. Overall it is in good condition for its age. See all photos for contents and condition. The 1976-77 Vtg GM Diagnostic Connector Adapter by AC Delco, specifically the ST600 model, is a specialized tool designed for connecting to diagnostic systems in vehicles. As a trusted brand in the automotive industry, AC Delco ensures quality and reliability with this product. This adapter allows for easy and efficient hook-up for diagnostic services, making it essential for automotive professionals and enthusiasts looking to diagnose and troubleshoot issues in GM vehicles from the 1970s and 1970s.
