1999 Ford F150 Fan resistor

1999 FORD F-150
166,000 MILES • V8 • 4WD • AUTOMATIC
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HALLKE
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  • 2 POSTS
Where is the fan resistor located in a 1999 Ford F150
Jan 9, 2010 at 2:59 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,240 POSTS
Check behind the glove box on the HVAC assembly. Also, there is a relay that can also be bad. Can you describe what is happening? Does the blower motor only work on high?

Let me know.
Joe
Jan 11, 2010 at 2:51 AM
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HALLKE
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Low and medium do not work
High and extra high work
Jan 11, 2010 at 10:28 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
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You're right. It sounds like the resister.

Let me know if you have other questions.

Joe
Jan 11, 2010 at 11:53 AM
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HALLKE
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Is it easier to take the glove compartment out and if so how difficult is that? If not is it easily located behind the box?
Jan 11, 2010 at 11:55 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,240 POSTS
I can't remember exactly on the 99. It should be easy to see. There will be a plug with a few wires plugging into it and it will be on the HVAC assembly. Also, if I remember correctly, you need to remove the glove box.
Jan 12, 2010 at 12:09 AM
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