Fan Blower speeds Lo 2 and 3 out... Hi still works

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09-16-2009, 09:12 PM

jniedens

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Fan Blower speeds Lo 2 and 3 out... Hi still works

So the blower for AC and Heat only works on High. My question would be is this a switch issue or Blower Fan issue?

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09-16-2009, 10:21 PM

glc

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If it's like cars used to be, it's a blown resistor pack. Where it would be, I have no clue.

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09-17-2009, 07:21 AM

EBXGSXR

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sounds like a bad blower motor resistor. they are usually under the glove box area, near the blower motor. 9 times out of 10 that's the problem.

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09-17-2009, 09:19 AM

sagittarius1

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Mine did the same thing. I replaced the resistor pack about a month ago ... which looked much like the pictures in the link below ....

https://www.f150online.com/forums/ar...igh-speed.html

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09-17-2009, 11:21 AM

illness95

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yupp blower motor resistor

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