How to Activate a MTH Pennsy Signal Bridge?

PRRfanOGR Forum Member

I'm looking for some suggestions to activate my MTH Pennsy Signal Bridge. Currently my layout has ground-isolated zones for triggering signals. However, with this signal bridge there are two hot wires and one ground. How can I trigger this signal with my isolated rail sections? My dad came up with the idea of using relays from the isolated rail wire over to the signal hot wire - could there be an easier way than this?

1/11/154:37 PM

Original Post

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