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What is your question?
My heater blower only works on high

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Open the glove box. Flex both sides of the glove box bin inward near the top far enough for the rubber glove box stop bumpers to clear the sides of the glove box opening, then roll the glove box downward. Reach through the glove box opening to access and disconnect the instrument panel wire harness connector for the blower motor resistor from the resistor connector receptacle (Blower Motor Resistor). Reach through the glove box opening to access and disconnect the blower motor pigtail wire connector from the resistor connector receptacle. Remove the two screws that secure the blower motor resistor to the evaporator housing. Remove the blower motor resistor from the evaporator housing. If you have Automatic Temp Control (ATC) you will be replacing the Blower Motor Power Module. Same procedure, different part.