hope your knee continues to heal be kind to it or it will bark at you! what seems to be issue with those 2 switches I just assumed all in that area was functioning or is this another gremlin that came up? hope your breaker/switch change out fixes that issue. amazing how the homemade static grass applicator out did the manufactured one we all could save some $ on that item.
so as to BT and new engines are you contemplating on using a smartphone to run them yourself or is this to get more folks engaged to running your layout when you start operating sessions?
I remember seeing the empire builder with box cars on the end it just so happened the trip we were on from St Paul to Chicago was equipped like that.
lastly I surely hope those cords in picture have been secured out of your way to avoid any repeats of falling again.