Air conditioner fan control not working properly

2006 FORD FREESTAR
3,000,000 MILES • 4.3L • V6 • 2WD • AUTOMATIC
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WILLIAM SMITH6
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My fan blows on low on all the settings except 3 and even then, it does not blow wide open. I checked all fuses, the fan motor and still nothing seems to work.
Jul 1, 2022 at 8:59 AM
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SQM
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Hello,

This could be due to a faulty blower motor resistor. Many times when these resistors go bad it will only allow one speed of fan.
The resistor is located under the passenger side dash.

https://www.2carpros.com/articles/blower-fan-motor-works-on-high-speed-only

I have attached diagrams below for your reference, also included the test procedure for the resistor.

Let me know of any questions.
Thank you.
Jul 1, 2022 at 3:58 PM