What I find interesting while trying to find more links and just such topics about tuning and repairs, a topic where a gateman killed the accessory output of a CW80. https://ogrforum.ogaugerr.com/topic/22829636985380812
Which follows another theory of mine in that each time you activate and energize this coil, and then deactivate it, there is a several hundred volt inductive spike. And if you use insulated rail as your activation, or even in that topic a 153IR with a relay- that constant over and over triggering and a spike or multiple voltage spikes created- easily took it's abuse out on the transformer. If that same insulated rail section is direct track power and activation of the gateman coil- then potentially that voltage spike is shooting down the track, into your engines, your electronics, your control systems, and again- these electronically controlled transformers.
