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Hello all,

I'm installing ERR cruise + Railsound Commander into a Sunset 3rd rail steam loco.

The loco has cams that operate switches for the chuff timing.  There are 2 cams; a 2 lobed and a 4 lobed cam.

My issue:  I get a double chuff each time the lobe triggers the micro-switch.  It does this with either switch, and as I test, I'm only using one switch or the other.  The switches are SPDT and I've tried both throws and neither give me the "one chuff per lobe" that I expect and want.

What am I missing here?

Thanks,

Steven

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