Check fuses for the blower motor first. Check for power at the motor next. Check the ground for the motor if there is power. No power go to the resistor and see if there is power there. If you have power to the resistor it is almost always a bad resistor. No power at the resistor check the fan switch.
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Check fuses for the blower motor first. Check for power at the motor next. Check the ground for the motor if there is power. No power go to the resistor and see if there is power there. If you have power to the resistor it is almost always a bad resistor. No power at the resistor check the fan switch.