Air conditioner fan control not working properly

Tiny
WILLIAM SMITH6
  • MEMBER
  • 2006 FORD FREESTAR
  • 4.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 3,000,000 MILES
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.
Friday, July 1st, 2022 AT 8:59 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
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.
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Friday, July 1st, 2022 AT 3:58 PM

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