James,
I am just frustrated that I am having these problems on a layout with new switches and almost all-new track. Like you I am not new to this stuff, but this one has me questioning myself.
Kind of wish I had used Atlas or Gargraves now but too late for that.
I kind of think I am with Bob on this. It seems to be the inability of modern “transformers” to handle brief overloads and the design conflicts between the Engines I am running and the switches.
Thanks for all your help.
Kevin