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On average, the cost for a Hummer H3 Car Heater Blower Motor Replacement is $304 with $209 for parts and $95 for labor. Prices may vary depending on your location.
The heater blower motor forces air through the vents. You are able to control the speed of the motor through switches, buttons, and dials on the dashboard. The motor contains a resistor which allows it to change the speed of the fan. Without this part you will not be able to change the speed of the airflow from the blower motor.
Due to the high amount of current, it is possible for the power connector to get too hot and melt. This will cause a bad connection and the heater blower motor will not work. Replacing the connector can fix this problem without the need for a new blower motor. Your mechanic should inspect the connector before replacing the heater blower motor.
In addition to providing you with hot air in cold weather, the blower motor is important in circulating air through your car.
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