Question about 1989 Pontiac Grand Prix

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Electrical problem in my 2001 pontiac grand prix

The lights and air and heat will just quit working. they will turn again by its selk. some times it doesnot work for hours. when this happens the message center also goes out. i am able to turn on lights manual.

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2001 Pontiac Grand Prix- When you turn the fan on 1-4 the fan will not work and the headlights and middle panel lights go out, but if you turn the fan to 5 all the lights come on. Do you have a solution?

Posted on Sep 18, 2011

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I would look for a broken ground or 12 volt buss wire.

Posted on Jan 24, 2009

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2000 grand prix, temperature won go from ac to heat, stuck on ac.


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I have a 2000 pontiac grand prix with a digital climate control system. The heat quit working, it doesn't blow out any heat. Now that it is warm outside the air stopped blowing out any air. The digital...


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My issue is with a 2001 Pontiac Grand Prix. The entire heating / ac / rear defrost unit has stopped working. In addition the day time running lights have also stopped working. Today in the middle of my...


about your heat i can help you i would say that for your heat the problem is the blower motor and maybe the resistor to so change those two parts and for your light im sorry i can help you good luck

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Int. Fan blower has given up! - No interior heat or a/c.


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1 Answer

Automobile electrical problem


I hate to say it but GM "W" bodies of that time period ( Regal, Cutlass Supreme, Lumina, and Grand Prix) are notorious for turn signal problems. I'm a machanic and also have owned 3 W body vehicles. The pivot bushing in the switch wears prematurely and in turn causes the copper contacts to barely touch each other. If the contacts are dirty, there is resistance. Where there is resistance, there is heat, hence the smoke. It's just a poor design. What I do instead of replacing the switch requires some time and some surgical skill but it always works for me. At the pivot end of the switch, I remove the screw and remove the metal tube insert. I wrap the metal with electrical tape to take up the slack from the wear then grease the heck out of it. At the contact end I attach a piece of sheet metal to the bottom of the movable part of the switch so it sits underneath the non-moveable part making it so the moveable part can't lift up and lose contact. That's just a vague description but if you want a detailed one let me know and I'll write one. I did it to my '89 Regal 4 yrs. ago and to my wife's Grand Prix 1 yr. ago and they both still work great. Just a design flaw in the switch. Sometimes you have to pick up wher the car companies left off! beest921

Jul 11, 2008 | 1993 Pontiac Grand Prix

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