Question about Goodman CKL30AR30 Air Conditioner

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Replacing old thermostat with new digital

There are six wires coming from the ac unit only five connections on new thermostat what goes where? goodman model numberpho42-18 wires are yellow blue green red white black

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Wire nut or tape the black off. The red is normally 24volt supply power to the t-stat. Blue may or may not be the common. Have a voltmeter?

Posted on Jun 24, 2009

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