Question about 2006 Chevrolet Silverado 1500 2WD

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Fan speed 3 on my silverado pickup with air not working .all other speeds work .Whats wrong?

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The switch is going, and more than likely the fan motor is on its last leg. You may as well get em both while your at it. The switch is the hardest as you have to know how to pull the dash apart, start at top and work your way around. The blower motor is a piece of cake by comparison. Just remove the 5 9mm screws holding it in place pull . Remove the positive and ground plug replace in reverse order. The blower is at the passeger floorboard.

Posted on Jul 14, 2010

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Fan is not working on 2001 Chevy Silverado 2500 truck radiator fan motor?


The engine cooling fan system consists of 2 electrical cooling fans and 3 fan relays. The relays are arranged in a series/parallel configuration that allows the powertrain control module (PCM) to operate both fans together at low or high speeds. The cooling fans and fan relays receive battery positive voltage from the underhood fuse block.
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Your best bet would be to take your vehicle to a qualified repair shop !
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2006 chevy silverado blower fan not working right. The control does not work. It still blows on low but nothing else. Cut key off and fan still blows.


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yes it could. if they share a ground and its got some issues alot of times thins in the same place(like in a dash) share ground's if yours is loose this could easily cause that problem. have you checked your fuses yet?

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I had a truck about the same year with the same problem, it was the wiring harness, but id check the resistor and the fan first before replacing anythings,

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1 Answer

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2 Answers

I have a 2005 chevy silverado heater/ac fan stopped working . Checked fuses all were good .Removed fan and it works ,whats next?


Treed55508,

Try this solution. I have had the same issue three times. A Chevy tech told me that if it keeps doing it, to replace the blower motor, as it seems to be a chronic problem with the blower having to much resistance and thus burning out the resistors. I suspect that you probably had lost one speed first and then more. It has happened both ways with me, once the entire thing went out at once and then the other times it goes one speed at a time.

http://sparkysanswers.blogspot.com/2008/07/2005-chevrolet-silverado-blower-inop.html

Jan 06, 2009 | 2005 Chevrolet Silverado

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