Blower motor replacement

Tiny
B1MZBM25
  • MEMBER
  • 2003 FORD WINDSTAR
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
No noise coming from the blower motor what is wrong?
Saturday, April 24th, 2010 AT 7:31 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

There are few reasons for the blower motor not to turn 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.
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Sunday, August 1st, 2021 AT 2:20 PM

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