2004 Pontiac Grand Prix "hvac blower" Questions

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Question about Pontiac Grand Prix

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...OF THE BLOWER SWITCH. THE BROWN WIRE ON THE HVAC CONTROL CONNECTOR 1 POSITION B COMES FROM THE HVAC FUSE 20 AMP. NO POWER ON THAT WIRE WILL CAUSE THE BLOWER TO NOT FUNCTION ON THE LOWER

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Question about Pontiac Grand Prix

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...hvac unit, the blower either pulls or blows air across it. It can look like a circuit board, or has several rows of wire coils. It gets really hot and must be forced air cooled any time the blower is ...

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Question about Pontiac Grand Prix

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...blower does not work. I check the fuse at HVAC fuse at the end of the dashboard and it is OK. The switch itself activates the AC light on and off when I turn it clockwises/counterclockwise or on/off. ...

...blower motor. To check which one has failed - pull the HVAC control fuse RADIO/HVAC/RFA/CLSTR/ALDL (15Amp) and see if the fan shuts off - if not - try the BMCP fuse HI/BLWR (30Amp) - Both are listed ...

Question about Pontiac Grand Prix

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...HVAC) blower motor. Others may comment that the blower motor speed may momentarily drop or that the blower motor continues to run after the key is turned off. Cause This condition may be caused by a ...

...began working again, but only on high (5) and still no heat. Help!! you got two diff problems or more poss hvac control head, bad blower resister, bad thermostat, low on coolant, or plugged heater ...

Question about Pontiac Grand Prix

1 Answer

...hvac blower doesn't work at any speed Blower resisters are the problem 95% of the time. They are located by the blower. Remove a couple of screws and a connector and its out. Under $30 at

...hvac blower only works on 4 and 5 speeds not 1,2,3 these have a blower resister that is replacable that is usually the problem. It looks like a little circuit board. Its located in the blower ...

...HVAC control head, interm. blower with no speed on no.5. How can I tell if it is the HVAC control head or the PCM. Also most times when you turn on the blower you loose your heads up display that ...

Question about Pontiac Grand Prix

1 Answer

...HVAC Cntrl fuse with the blower and resistor installed and plugged in, the ignition switch set to run, and the blower switch in any position. If there is no power to the fuse unplug the resistor and ...

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