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Merc Cruzer · 07-28-2021, 04:19 PM

Touch a multi-meter wire, to each one separately and the the other meter wire to a ground. Turn on the fan switch and which ever one reads 6 volts is your hot wire (red).

07-28-2021, 04:19 PM	#4
Merc Cruzer Senior Member Join Date: Jul 2010 Location: Conifer, Colorado Posts: 2,552	Re: 1952 Magic Air heater motor wire color Touch a multi-meter wire, to each one separately and the the other meter wire to a ground. Turn on the fan switch and which ever one reads 6 volts is your hot wire (red).