Reply to "Calling Train America EOB Experts"

NortonOGR Forum Member

I think I have one of these smoke units as well. Never thought much about how they work but would suspect the added circuitry does more than just provided regulated voltage to the fan motor. More likely its a buffer for the chuff signal so it doesn't interfere with the chuff input on the radio board or audio board.

Pete

2/22/178:39 AM

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