The input gaps for both switches are clear. Note bridge closeup and the two input tracks to the ground level switch. I was hoping that it was a gap problem as that would have been an easier fix. My intuition is that it is either a disconnect wire or a common or (phasing) problem since I recently disconnected and rearranged my power station since my TIU was away receiving an upgrade. I am using a separate transformer to power these two switches and may need to reverse my wires to insure common ground to the outer rail (I did do that but did not fix the problem). I am leaning to a disconnect problem with the leads connected to the isolated input tracks. Trains have no problem passing through the switches and the manual buttons work just fine. They also have no problem traveling over the isolated section power so the ground connect must be compatible with 18 volts from my Z4000. Tom, you are correct about the frustration I am experiencing!
Not anxious to get started! At 78, I hate to spend time under the table, but it is what it is. Thanks for all the help. Will keep you posted. Appreciate this community of help! Thanks for all the input. Dave
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