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I have a 16yr. old Goodman unit and I want to replace the capacitors, but they are rusted and I can't read the values on them. How can I determine the values of them so that I can buy replacements?

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  • Brian Niten May 11, 2010

    Can you read the model # and serial # on the compressor and fan motor?



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A lot of parts stores can cross reference them, if you have the compressor model number and the motor model number. If you don't have the model numbers, I assuming the capacitors are still good you might call your parts store and they might check them for you, if you take them in, with a capacitor analizer.
Make sure before you disconnect any wires that the disconnect is removed and that there is no voltage or power to the unit, and mark every wire and draw a picture of where it goes, so, when you put the new capacitors in you know how to wire it.
If they give you a dual capacitor ( it has 3 terminals and it's for both, the compressor and fan, in one capacitor) have them show you how to wire it or let me know and I can help you.

Posted on May 11, 2010


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