I have spare parts with me, so at least we can take a closer look.
When I got my 80/2.8 AF (many years ago), it short-circuited the battery of my D2X within a few hours. The reason is that Nikon has changed the positions of the power and grounding pins for the modern lenses. If the CPU and contact block are replaced all is well except for the AF, which cannot work on a modern Nikon.