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Hi! The brown wires leading to the blower motor relay are not hot. What voltage should I be reading from the brown wire?

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The brown wires do not go to a blower relay,they go to a start capacitor. They are power in and power out when the blower is energized through the fan relay.

Posted on Sep 29, 2009

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1 Answer

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Replacing blower motor in furnace w/Fasco brand #D727


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Now usually the black is for AC and connects to a normally Open (NO) contact on the blower relay.
The heater speed (either red or blue) go the the normally Closed (NC) on the blower relay and on one side of this wire or contact on the relay it goes to the heating blower thermostat on the furnace.
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The white wire is Neutral and goes to the neutral on the main line.

If this helps you please rate me accordingly and good luck.








Mar 13, 2009 | Kitchen Appliances - Others

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