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One of my other repairs I’ve been attending to for a friend was to replace a Seuthe type smoke unit in a Weaver Pacific with TMCC. 

Normally he would’ve preferred a fan smoke and synchronized puffs, but his budget is tight and the engine has a rubber band style shaft drive for the can motor, not a flywheel.

Anyways, I bought a replacement one just the right size for this particular locomotive, but when I rewired it and connected it to the circuit board (pair of wires that are black and white), the smoke unit didn’t do a thing.

C676E7A6-F783-40E8-B922-56ED26C4938A22382B97-F90D-4B2F-BAD7-91536DF89430

I can’t tell if I should just bypass the circuit board and just wire it to track power or not, since I don’t know what the voltage was on the old unit. This new one runs on 16-22V

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You will get little or no smoke out of a 22V Seuthe from the TMCC smoke feed or that regulator board.  That board puts out 6V for the smoke unit and lights.  You need a 6V Seuthe smoke unit to use that power supply.  If you drop me a line, I'll swap you a 6V one for 22V one, I have lots of the 6V ones, and it would be useful to have a higher voltage one in the parts box.

 

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