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Reply to "Early MTH PS3 whistle blows and headlight blinks when started up in conventional"

Normally a High current like that on PS-2 is PV short.  Positive voltage DC.  Motor lead, Heater element and coupler are the primary source.  Lights also.  So pinched wire.  Getting the horn or bell is DC getting on the chassis and triggering it.  So wires, motor terminal solder joint, diodes that make PV from motor power, etc...  G

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