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1980 corvette heater

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Old Dec 4, 2010 | 05:06 PM
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hensley73
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Default 1980 corvette heater
Does anyone know how to determine what is wrong with a heater, nothing works at all at any speed. I have checked the pigtail going to the switch and 3 out of 4 wires seem to have 12 volts. I this normal?
Last edited by hensley73; Dec 4, 2010 at 05:14 PM.
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Old Dec 4, 2010 | 05:49 PM
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If you are saying the fan motor doesnt work, it's probably the blower motor resistor
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Old Dec 4, 2010 | 06:00 PM
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where is the location of the blower motor resistor?
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Old Dec 5, 2010 | 05:18 PM
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Check in this area. Mine is a 1974 but I can't imagine it has drifted very far.

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