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2004 Chevy Cavalier

Why does the gray and blue plug next to the blower cause the clicking to stop if unplugged. Unplugged, the blower motor works normally and there is no clicking in any speed.

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  • 260 Answers

The clicking may be coming from an actuator motor fot temp control, or air distribution. Ck to see if they are working properly

Posted on Nov 25, 2013

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Posted on Jan 02, 2017

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SOURCE: Blower motor or resistor?

If it was the motor that went out then it would not blow at all. The resistor is the culprit that starts killing off speeds. It should be about $25 to $30 at an aftermarket store like autozone or advanced auto parts.

Posted on Jan 09, 2009

chuck943
  • 783 Answers

SOURCE: Location of blower motor switch resistor on 2004 Grand Marquis

The blower speed controller is located under the hood on the right or passenger side on the heater housing just to the side of the heater hoses near the very back of the right cylinder head.
Yes that would cause the concern you are having.

Posted on Feb 05, 2009

  • 1 Answer

SOURCE: BLOWER FAN NOT WORKING PROPERLY

I had the same problem change your blower motor resistor.

Posted on Aug 17, 2009

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Check fuse #14(10amp) located in fuse box under driver steering wheel behind the lower dash cover.
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If fuse are good.Check blower and transisto next.
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1 Answer

1998 Chevy Cavalier z24 heating/AC fan only runs on the lowest speed, how may I get it work on the other 2 speeds?


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I have a Chevy 1500 Silverado (5.3) with a heater that does not want to work. I can feel heat coming out of the dash vents, but the blower does not want to work. Anyone else have this problem, or any...


First I would check to make sure there is/is not 12v going into the blower motor.  You can test this with a volt meter by unpluging the two wire plug that plugs into the blower motor.  This is located under the passengers side glove box. IF YOU DO NOT HAVE 12V TO THE BLOWER MOTOR (WHILE THE BLOWER IS TURNED ON WITH THE KEY ON) PROCEED TO THE NEXT PARAGRAPH.  If you do have 12v, then it more than likely is your blower motor.
If this isn't the problem then I would check the Blower Motor Resistor.  This part controls the speed in which the motor actually turns. (the knob in the dash doesn't actually resist the 12v from the battery causing the fan to move at the different speeds, the blower motor resistor does)  This part is easily changed.  It usually takes about 20-30 mins at the most.  It is located in the air ducting under the passenger's side of the dash.  The part is pictured here... 32bbabb.jpeg
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Now.  I have done this work on a 2005 Chevy 1500 and the resistor that all parts stores has is WRONG!!! The listing is wrong! (I work for O'Reilly Auto Parts and I fought with this for about a week trying to find the right one...)  If your resistor has 3 mounting screws (as shown above) you will need a resistor off of a 2000 Chevy Impala (part number RU867   -   It is manufactured by Borg-Warner with a life time warranty.)  If you look it up for your truck (i.e. - 2000 Chevy 1500) it will show a part number RU1064.  This resistor will have only 2 mounting screws.  I don't know why these parts are listed wrong, but they are.
To change this part, just remove the screws, and unplug both electrical plugs.  Thats it.  Then just replace it with the old one.
Any further questions, just ask!!! Please rate!!! Thanks!!!

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1 Answer

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Bad blower motor resistor.Remove plug & look to see if the plug is burnt/melted on any contacts.Also check the pigtail that plugs into blower motor.I only had to replace my resistor.

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2002 chevy cavalier ac fan does not work on high,only on bi level


Most probable cause is a bad BLOWER MOTOR RESISTOR (BMR). This part is located underneath the right side of the dash mounted into the blower motor housing. The BMR has a circuit board that is suseptible to corrosion and moisture damage because it is in an enclosed area with much condensation. After replacing it a couple of times, the 3rd time I dipped the circuit board in TOOL DIP - the stuff you rubber coat screw drivers with - have not had a problem since (3 years).

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