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Running into a problem with a switch.  The switch is a Railking O-31 right switch:  it functions correctly with the auto derail and switches properly when manually turning the lantern.  One locomotive runs by it no problem.  Another locomotive always causes a short and trips the breaker.  That same locomotive runs fine through a left switch no issues at all.  Is there something I'm missing as to why this specific locomotive would cause a short with sparks and trip the breaker and not the other locomotive, and also why it would be fine on the other switch?  I can't seem to isolate the problem.

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How tight are the tracks that are connected to this turn out?

I notice on some of my MTH  turnouts that in instances where there was elevation, that it caused similar issues, and only on certain engines.

By relocating the alignment of tracks as they connect resolved the issue, as it was onmy on 0-31 turnouts I had this issue.

 

Also check the flang clearances, possibly some electrical tape on the side of the points might be needed. I had to do that on a used 0-31, and Gargraves #100.

 

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