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Registered
Join Date: Apr 2007
Location: Northern New Jersey
Posts: 439
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Bypass AC controls to test AC system
Is this possible? My fan speed knob is rusted in the off position, and im sure even if i could get it to turn, the contacts are too rusted to make electrical connections. Can i bypass the switch in anyway to make sure it's only the switch failing the system?
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10-02-2007, 09:32 AM
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Registered
Join Date: Dec 1999
Location: Richmond, VA USA
Posts: 1,058
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Is the switch RUSTED in the off position, or was it FRIED in that position by overheating or a short? Assuming that you have the switch exposed, you can disconnect the wires and jumper from the single hot wire to each of the three wires (one at a time!) that control which speed is selected. The hot wire is a big red one. Use a voltmeter to determine which one is hot and which is ground, and protect the hot one until you're ready to start the process.
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10-02-2007, 03:43 PM
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Registered
Join Date: Apr 2007
Location: Northern New Jersey
Posts: 439
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It definately looks rusted. I will try that, thanks for the help!
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10-02-2007, 04:13 PM
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