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Vents not working?

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Old Jul 7, 2013 | 08:23 PM
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Default Vents not working?
So my vents in settings 1,2 and 3 completely stopped working #4 still blows just fine but the rest nothing at all any ideas? Blend door?
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Old Jul 7, 2013 | 08:35 PM
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Resistors for the for the switch possibly?
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Old Jul 8, 2013 | 08:29 AM
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Originally Posted by XtraLargeTall
Resistors for the for the switch possibly?
It's possible. I also forgot to mention for a few months every time I turn my vents on there was a loud creaking noise under the dash.
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Old Jul 8, 2013 | 10:58 AM
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Anybody else have any ideas?
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Old Jul 8, 2013 | 11:21 AM
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It does sound like a resistor pack issue...
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Old Jul 8, 2013 | 11:32 AM
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Originally Posted by Especial86
It does sound like a resistor pack issue...
Ok where is this resistor pack located? Is it right behind the switch?
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Old Jul 9, 2013 | 10:22 AM
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not behind the switch...it should be on the fan box under the dash...but don't know where exactly on the f150.
On my ranger it was from under the hood.

the resistor need an air flow to be "keep cool"
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Old Jul 9, 2013 | 11:37 AM
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Originally Posted by maxpat82
not behind the switch...it should be on the fan box under the dash...but don't know where exactly on the f150.
On my ranger it was from under the hood.

the resistor need an air flow to be "keep cool"
The resistor packs I've changed have also been in the airflow tract of the AC. Usually by the passenger side firewall area.. Check the service manual, I have no idea where they are on the F150 either.
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Old Jul 9, 2013 | 02:18 PM
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So it was in fact the resistor pack changed it out today as everything works great again. And the resistor pack is right behind the glove box.
Attached Thumbnails Vents not working?-image-3560210526.jpg  
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Old Jul 9, 2013 | 02:18 PM
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Thanks guys
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