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ac blower


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thevoice
Novice

Jul 8, 2010, 2:48 PM

Post #1 of 4 (1865 views)
ac blower Sign In

Hi i have a 05 gmc sierra sle crew cab with a 5.3 I have a ac problem i have on my ac and heat blower control i have 1 through 5 for my blower and when i put it on number 4 it stops blowing came u help with this.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jul 8, 2010, 3:24 PM

Post #2 of 4 (1863 views)
Re: ac blower Sign In

That's probably a bad blower resister. It's located under the dash on the passenger side, right next to the blower motor.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



thevoice
Novice

Jul 8, 2010, 7:57 PM

Post #3 of 4 (1851 views)
Re: ac blower Sign In

Thank u i was told that but i didn't know for share, how do i check it or do i just need to buy a new one ?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jul 9, 2010, 2:27 AM

Post #4 of 4 (1844 views)
Re: ac blower Sign In

You can use a test light and test the wires at the resister plug to determine that the switch is sending a power signal to a different wire at each blower speed selected. If the switch is sending the signal, the resister will be the problem.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.







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