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The blower motor should have two wires, one is a ground fed by a mechanical or solid state resister/HVAC computer. The other is fused power, this may or may not have a relay. Check for power on one wire and variable ground on the other. If you're missing power check your fuses again you may have missed one. If it has a relay try swapping it with another ...


My suggestion is to call local auto parts to see if they sell a resistor block for your vehicle. Many cars will run on high speed only with a blown resistor block for the fan speed control...


Sounds like a plenum (ventilation duct) fan bearing is slowly going bad based on the sound from underneath and behind the glove box.

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