Reply to "I Need Help! How do you wire an MTH Railking O Scale 7 Light Signal Block #30-11013 with Isolated Rail and/or Relay, Not with an ITAD?"

stan2004OGR Forum Member

Here's one way using an Azatrax relay.

Where to connect the Blue wire depends on what you want the lone single-lamp to do. I recall one guy on OGR wanted to make this lamp flash and we worked out a way to do that - it had nothing to do with what is/was prototypical.

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