u/Traditional-Tip-5323

I have this controller, This is from a dover thrust stage. I have had two elevator companies come up and told me they don’t want to even look at this. I no longer can get it to do anything when I plug it into the thrust stage. It has a 19 prong connector (only 16 are used) Does anyone have any experience with this, or is it possible to modernize this? Believed to be from 1968-1970