2001 Oldsmobile Alero - my blower fan was only working on the highest 2 settings I replaced the resistor block and now it's only working on the highest setting does anyone know why this might have happened or what could b wrong?
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When the resistor goes its usually on the high settings if more than one works its usually the switch on the control that needs replacing . If it was the resistor and it went as soon as you installed it you need to replace the motor. Hope this helps
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pizon if the replacement of the resistor made it worse, double check your work and, if everything checks out, replace it once more.
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