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My blower made the same "death" sound when the resistor went, and it turned out that the blower motor was fine and all of the problems were due to the failing resistor. If you can get a replacement blower motor on the cheap, it's not much more effort to change the motor and resistor all at once, but you might save a few bucks by running 12V directly to the blower motor and see what it does minus the resistor. If it runs OK, you likely just need to replace the resistor.
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