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7701048390 Blower Motor Resistor  

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7701048390 Blower Motor Resistor

The function of the car blower is to blow the cold air above the evaporative box of the air conditioner, or the hot air from the warm water tank, into the car, and there is nothing in the blower, just a motor. Turn on the blower (air conditioner's blowing switch), if the temperature selection is the lowest temperature, the external circulation is the natural air temperature outside the car, but it will be slightly higher, because the air inlet of the external circulation of the air conditioner is basically at the lower edge of the front windshield and the engine compartment. In between, it will bring the temperature into the cabin. Turn on the air conditioner (A/C) switch. If it is an automatic air conditioner, the blower will automatically start to supply air; if it is a manual switch, generally the air conditioner compressor will start to work after the blower is turned on. The air conditioner speed regulating resistor is installed and fixed in the air duct, so that when the bl…