Question about 2001 Pontiac Grand Prix

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Volume of air coming from a/c ducts is very slight

2001 Grand Prix GT - only in the two highest fan speed positions 4&5 will the volume of air begin to cool the vehicle. Duct temp. is 42 degrees. I was able to expose the squirrel cage fan behind the wiper and it is clean.

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Sounds like a bad blower resistor-thats why you have no speeds 1,2 or 3. the resistor will either be near the blower motor(the squirrel cage u spoke about) OR under the dash on the passenger side just above wher the passengers feet would be.it will have usually 2 screws holding it in and wires going to it.

Posted on Sep 07, 2009

  • Lance Thompson Oct 08, 2010

    I have the same car (2001 Grand Prix GT) and only the first setting worked on the blower control. Turns out it was the blower resistor! You can get one at any auto parts store for about $20.00 I think. It is located just under and behind the glovebox. Bit tough to get to but, I never did one before and I replaced mine in about 1 hour. Now, all 5 settings work! You can prob search the net for "how to replce blower motor resistor on grand prix GT". Good luck with some REAL advice!

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1 Answer

My 2001 Pontiac grand Prix GT fan blower doesn't


sounds like the blow motor resistor it should be located somewere near the blower maybe. under passenger side dash.....it will be a wide plastic plug with about 4 or 5 wires..

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Hi!!
When the Blower Motor Resistor (controls blower speeds) goes bad, the blower motor works only on HIGH SPEED. REPLACE IT.
BLOWER MOTOR RESISTOR Removal & Installation
  • Disconnect negative battery cable.
  • Remove right lower instrument panel insulator panel.
  • Disconnect blower resistor connector located behind right side of dash.
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To install, reverse removal procedure
Good Luck!! A HELPFUL - 4 THUMBS - rating for this solution would be greatly appreciated. Thank you for using FixYa!!

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1997 Pontiac Grand Prix GT; Elec problem with fan


Replace the blower resistor that is mounted next to the blower motor on the passenger side of the vehicle.
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CHECK THE HVAC CTRL FUSE.

WITH A TEST LIGHT CHECK THE BLOWER RESISTOR FOR POWER ON THE YELLOW, TAN, PURPLE, AND LIGHT BLUE WIRES. THE ORANGE WIRES CONTROL THE HIGH SPEED CIRCUIT. DO THIS FOR EACH POSITION 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 SPEEDS.

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1 Answer

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were these new parts ? from what i know if you have replaced the fan resistor motor and control unit there is nothing elese in the system i would double check it all again

Jan 12, 2009 | 2000 Pontiac Grand Prix

1 Answer

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Is # 5 the high setting ? if so then you blower motor resistor is bad

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