Blower Motor Resistor

The car is warm as is the outside air,
This would be a good time to turn on the AC and spread some joy as I drive.  The car’s weather control moves in a circle, controlling placement of magic weather, from cooling the car’s windshield, to cooling the passengers’ faces and right down to the feet.  I adjusted the knob to cool my face then turned the other knob that controls how fast my face is cooled.


The fan control has 4 settings: very little air flow, a little more air flow, almost enough air flow and finally, feeling the blast of air!  I set the fan to almost enough, and nothing happened, nada!  In fact, as I rotated the fan control, nothing worked, until I got to the last setting to which the fan roared to life.  Being the curious person, I backed up and tried all the settings, again, with the same results.

After 5 repetitions of scientific research, I concluded that only the high fan setting worked.  Check the fuse?  Yes. 

Check a group of wires somewhere near my feet?  Yes.  Play with the fan switch multiple times?  Yes.  Do a Google search on “Fan does not work except on high?” Yes.  Believe it or not, the answer was… your Blower Motor Resistor is burned out, and Google gave me a picture of the problem item.


Grandma and I found the BMR at an auto parts store.  Installing it is another blog entry.  Needless to say, the problem has been corrected, the BMR installed and the fan is working currently.  My cool has been restored.

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