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Reply to "MTH Big Boy, lighted number boards won't light"

So it is PS-2 3V which means board in tender and mux set up.  So two light controls and marker in engine.  HL, Interior, Fire box, Markers.  So LNB would have to be on HL circuit, at 3 bulbs with 2 or 3 bulbs already on IL (Cab and Fire box).   I guess they could have done it but I don't remember for sure.  PS-3 is certainly different since it has far more LED capability with the Boiler board.  Frankly PS-1 would have a better shot at having them since they had the large CV board for internal lights.  A lot of Premier steam do not have LNB. They are just on the boiler front with classification markers.  G

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