05 Altima AC blower stuck on high - Nissan Forums : Nissan Forum
 
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#1 Old 08-01-2011, 08:46 PM
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05 Altima AC blower stuck on high

I have a 2005 Altima 2.5S, with regular/manual AC controls. The AC in my Altima is suddenly stuck on high all of a sudden. Even turning the dial to off or even unplugging the AC control panel will not shut off the blower. The ONLY thing that will shut it off is shutting off the car and removing the key from the ignition. I have searched and only found people having issues with their blower only working on high, and dead in every other position. Mine is stuck on high no matter what position, even off. Any ideas?

2005 Altima 2.5S -TOTALED
2014 Altima 2.5 SV -The new ride
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#2 Old 08-01-2011, 09:01 PM
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Originally Posted by ScottieBoy View Post
I have a 2005 Altima 2.5S, with regular/manual AC controls. The AC in my Altima is suddenly stuck on high all of a sudden. Even turning the dial to off or even unplugging the AC control panel will not shut off the blower. The ONLY thing that will shut it off is shutting off the car and removing the key from the ignition. I have searched and only found people having issues with their blower only working on high, and dead in every other position. Mine is stuck on high no matter what position, even off. Any ideas?
Sounds like the resistor isn't working, which is what typically controls the fan speed. This is common in a lot of cars, so I think if you replace that resistor you'll be back to normal. Never done this myself or had this problem though.
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#3 Old 08-01-2011, 09:05 PM
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#4 Old 08-01-2011, 10:19 PM
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From everything I have searched, and what I found under my dash, it seems that I dont have a blower motor resistor. Mine has the "Fan control amplifier". I have found a few write ups on how to repair this thing, but does anyone know where I can just buy a new one?

2005 Altima 2.5S -TOTALED
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#5 Old 08-02-2011, 12:03 AM
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Ok, so I do have a blower motor resistor. From all the online searching I have been doing, it seems that I have the manual controls but I have a blower motor resistor for the auto controls. This type of blower motor resistor is also called a "blower motor fan control amplifier".

This is what I have.




The cheapest I have found it online is 83 bucks plus shipping.
I also found this tutorial on how to repair it, but I have no idea what parts to buy to repair it. The links in that write up say the item is obsolete. I am very good at soldering and I am quite sure I can repair this if I knew what parts to get.

2005 Altima 2.5S -TOTALED
2014 Altima 2.5 SV -The new ride
2001 Suburban- The gas guzzler
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