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Have three wires on my air handler blower motor and need to know what order they go in?

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Chances are that you have a low speed, high speed, and common lead (wire). One of the three wires should be white, this is your common, or neutral. If you ohm the other two wires, one at a time with the white wire, you can determine which speed is which. The higher the resistance the slower the speed. High speed should go to cool, and low speed should go to heat. Hope this helps.

Posted on May 04, 2010

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