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Pontiac Repair/2005 Pontiac G6 Heating System

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Question
My blower doesn't come on, and neither do the rear defroster or AC.  However, the rear defroster does come on when I start the car remotely.  The blower had not come on before, but then about 45 minutes into my drive it kicked on, making me think that it's not a fuse.  The fact that these different systems failed simultaneously makes me think electrical.  Do you have any ideas for me? Anything would be appreciated.  Thanks.

Answer
Hi nick:

that is odd. the fact that the defroster turns on wirh the remote start is very odd well not that because it should but it turns on with the starter but not the button.  I'm thinking a bad control head. but with out seeing it I can't say that is the issue. I would do this stop by one of the big box stores and have the car scanned for codes they do this for free and see if the HVAC head has any codes...  I was thinking you just have a bad blower motor that maybe froze up and the heat from the heater thawed it out and turned on but the fact that the deforster button is in op is very odd when you say the a/c is in op I'm thinking you mwan when you press that button it will not light up correct when the blower turned on did the defroster and the a/c come back up and start working as well? when the HVAC isn't working is there anything else in the car that doesn't work radio power windows wiper motor etc.. trying to think of a common thread if something else doesn't work of it's just solely an HVAC issue.  

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Todd Puccio

Expertise

General auto repair,electrical issues,driveability issues,anti-lock brakes,SIR systems,HVAC,engine performance,Gm specific. I have worked at my current dealership since the 1990 model year anything much older than that I have limited exposure to. I do not have very much transmission experience so those question you may want to ask of another expert. When you send me a question let me know the exact make/model/engine and year for the car or suv you have it makes it easier to answer the questions that way. If your happy with the answer I gave you please feel free to Donate. This is a free service to you and I am not compensated at all by this web site. I have 22 years of experience to share with you and my knowledge wasn't free to me. I had to pay for my education.

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Experience in the area: I have been a technician in GM dealerships for over 22 years and I am a ASE master technician. I work at a Buick and GMC truck store Previously I worked at a Pontiac GMC store for 18 years. I Served a a lead technician when dealership was on a team system. I just recently moved to a Buick,Hummer,Saab Store when my franchise was purchased by this dealership. Organizations: ASE master technician

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ASE

Education/Credentials
Education/Credentials:High school diploma,2 year vocational school degree 2 year college degree. Associates degree in applied sciences (auto technology)Awards and Honors: GMC master technician

Awards and Honors
Master GMC truck technician Master ASE technician in 9 categories

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