Blower motor not working?

2002 FORD WINDSTAR
106,000 MILES • 6 CYL • FWD • AUTOMATIC
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DAVID STEELE
  • MEMBER
  • 1 POST
the heater doesn't blow and winter is rapidly approaching!
Oct 18, 2009 at 5:33 PM
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SQM
  • ASE Certified Mechanic
  • 6,383 POSTS
  • ASE Certified Mechanic
Hello,

There are few reasons for the blower motor to not to come on.
You could have a bad motor, faulty relay, faulty resistor or a wiring issue.
First thing should be checked is the blower motor relay.
Make sure the relay is functional.

Here is how to test the relay:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

https://www.2carpros.com/articles/how-to-use-a-voltmeter

If the relay is good then the next item to check would be the blower motor.

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

I have attached the blower motor replacement instructions for your reference. Also included the fuse block diagram, that shows the relay location.

Please let me know of any questions.

Thank you.
Aug 1, 2021 at 8:14 PM
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