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Pontiac Grand Prix Heater blower relay switch

144 messages, Last post on Nov 16, 2009 at 6:26 PM
You are in the Pontiac Grand Prix Forum. Your Hosts are pat & karens
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| I need to locate the heater blower relay switch.My heater only works on 5 and have been told it is prob the relay switch.Any ideas where it's located and where i can find a manual showing location??? thanks | |
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Replying to: perplexed3 (Jan 22, 2007 6:37 am)
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I have a really strange problem. I turn my heater fan on high(although fan speed doesn't really matter) When I am idling in park...no problem. I start to drive and accelerate, the air flow thru my vents stops (although I can still hear the fan is on high)But if I ease off on the gas pedal....air flow comes back again. Step on the gas...no air flow....ease off air flow comes back. It's the strangest thing. I hope someone has an idea.
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Replying to: toolhed1 (Jan 22, 2007 5:58 pm)
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Replying to: christy10 (Feb 09, 2007 8:21 pm) |
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My 2001 Grand Prix's blower does not run on any of the 0-5 settings when I leave my 50 deg garage. It has been 0 to 5 degree ambient in the morning. After 10 min all switch settings work although setting 5 does not seem to be full power, but it's close. Leaving work (15 deg ambient) it comes on immediately and all the switch settings work. If I shut the car off it will not come on for 3-5 minutes. When the blower is running, it seems to decrease speed when I turn or slow down. This has been going on for a week.
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Replying to: daved2 (Feb 10, 2007 1:11 pm)
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Replying to: daved2 (Feb 12, 2007 6:40 pm) 1. blower fan 2.resistor 3.heating control assy. now i still have problems with only speed 5 after putting all that in. you would never guess what it is now. the ignition switch, not key put, the wiring part in the steering colume. that runing me 100.00 tommrow i will be putting that in. so to say i had all the same problem but after doing 1 thur 3 i had found that ignition switch is the problem when only 1-4 dont work and running lights go off. so keep eye on that because this sucks. i have been fixing cars myself for about 5 years. some isnt easy but trying to track the problem. i would have never guess ignition switch, that is what starts the heat in the first place. have a great time... christy
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Replying to: perplexed3 (Jan 22, 2007 6:37 am)
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