Question about 2004 Chevrolet Malibu

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Malibu blower motor

Sometimes the fan speed switch (for heat and a/c) works just fine and more often than not I get nothing. recently started

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  • Joseph D Thomas
    Joseph D Thomas May 16, 2014

    I've already replaced the resistor and wiggled all connections with fan on high and low and still getting nothing.



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  • 156 Answers

Sounds like its the blower motor resistor is bad, its up by your blower motor, its where the wire for the blower motor comes from, also I have seen the wire and connector melted on some of these to

Posted on May 15, 2014

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  • Joseph D Thomas
    Joseph D Thomas May 16, 2014

    First off thank you for the help and suggestion. I replaced the resistor today and got nowhere. Still not working. I double checked everything, nothing looks melted or bad. Resistor did look aged and I'm glad I replaced it but I'm back to square one. Any suggestion on what I should check next? I really appreciate the time and help.

  • Joseph D Thomas
    Joseph D Thomas May 16, 2014

    BTW My fault, car is a 2003 not a 2004 as I previously wrote.

  • Midnite12 May 16, 2014

    You could of got a bad one to ?

  • Midnite12 May 16, 2014

    I dont have the specs for your car right now, if you have a multimeter, you could check what the volts are at where it plugs into the blower motor, as you go from low to help high, checking to make sure its changing. I am not sure if yours goes though your BCM (Body Control Module), is yours a manual or digital for your control ?

  • Joseph D Thomas
    Joseph D Thomas May 16, 2014

    Unfortunately I don't have a multimeter but I'm sure a buddy does. Mine is a manual switch. Thanks

  • Joseph D Thomas
    Joseph D Thomas May 16, 2014

    Do you think I should try another resistor before anything else?

  • Midnite12 May 16, 2014

    You could, if you got it from Autozone, then I would, the electrical parts they have are not the best, but make sure each pin/wire is tight, all it takes is one to be loose in the clip.

  • Midnite12 May 16, 2014

    when you get a multimeter to use, make sure you check every wire even ground, as it's hooked up wiggle each one, a bad ground can cause this to, when testing each speed you will see different volts for each one, then wiggle the wires for each one to see if your meter goes to O or jumps.around, if it jumps.around.for.each speed, then its the ground, you can cut the ground and make a new one.

  • Joseph D Thomas
    Joseph D Thomas May 17, 2014

    I got the resistor from Oreilly's. I wasn't able to get a hold of a multimeter but I did have a little tester with the alligator clip and needle. The quick connect going to the blower motor was getting power. The tester light went on and off as I manually turned the fan speed switch. So I got a new blower motor this morning after work (night shifter weekends) and tomorrow morning after work I'm going to hook it up. They had to order it for me but this one was $50 cheaper than the one they originally tried to sell me. Thanks again all

  • Joseph D Thomas
    Joseph D Thomas May 18, 2014

    I am happy to report that all is well again with the air circulation. It was the blower motor. But I\'m glad I replaced the resistor cause it looked like crap when it came out. The motor they ordered for me has a different base and bigger screw holes but they include 3 spacers so not to bad for $30. So all is well again and thank you all for your help and advice. It is certainly appreciated and made the job much easier. This Malibu is at 322000 miles and besides tune ups, oil changes, this is only the third item Ive had to replace besides a driver window, (rivet broke loose inside holding window) and a starter. (This car has also taught 3 girls how to drive and been borrowed for Lord knows what many times :) Nice job Chevy!! Again thank you all for your help.

  • Joseph D Thomas
    Joseph D Thomas May 18, 2014

    Quick note: For anyone who does what I just did, the new blower motor has wires coming out of it that lead to the connector that you hook up under your dash. It looks different because the old one didn't have any wires (pigtail maybe) coming out of it. Just a solid piece on the base itsself where you hooked the quick connect up. It still has the same connector it's just on a pair of 4" wires now. It actually made connecting it easier since I didn't have to hold it up with one hand and balance it while connecting it.



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Posted on Jan 02, 2017

  • 20 Answers

SOURCE: My heater blower stopped working


The blower motor, as you have probably seen, is under the dash on the passengers side. While in Park with the parking brake applied:

Turn the Key On with fan blower set to High. Locate the blower motor and wiggle the electrical connector. If this brings the blower motor to life, a new blower motor is needed. This, if applicable, is a common failure that matches your symptoms. The new blower is simple to replace, although it is never fun working under the dash.

If you have a 12 volt test light or DVOM (multimeter) you can check for power at the electrical connector. You should have battery voltage (12+) with the blower set on high. Always use a known good ground when testing for power. If you have power (key on, set to high) and no blower operation the blower motor needs replacing.

The resistor you replaced is a very common failure on these.

Give me an update.

Posted on Nov 15, 2008

  • 82 Answers

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

  • 11896 Answers

SOURCE: blower fan only works on high

If it is working at all then the relay and fuse is good and the problem is either the little vacuum hose on the back of the control switch panel or the panel itself.

Posted on Feb 01, 2009

  • 3917 Answers

SOURCE: Blower motor or resistor?

Yes its the blower motor resistor.

More then likley theres some trash or something in it, or possibly the motor itself is on it's way out. There not that bad to pull out of that body car, just pull it out and see what you can see.

The blower motor is under the glove compartment

You can replace the resistor on your own. Please find a detailed diagram which would guide you to do it.


Posted on Apr 09, 2009

  • 5 Answers

SOURCE: Blower motor now only works in 5th speed, 1 to 4 not working

You are going to have to make a connector for your resistor to fit into the adapater under the dash. the new resistor doesnt reach the terminals on the connector. Even though it clips in place it doesnt reach. I took a piece of small soldier and put in the connector then plugged it in and it worked just fine. When you unplug the relay it will not work in any speed.

Posted on Jun 03, 2009

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On your Vehicle the problem for the FAN speed is NOT the FAN switch.
99.9 % of this problem on cars is the BLOWER MOTOR RESISTOR.
The blower motor resistor give the speed to the Fan.
But on High speed the switch make a By pass of the switch using a Relay for the high speed.
The Blower motor resistor, is located Beside of the Blower motor On the passanger compartment.

If you replace the blower motor resistor you have 99.9% of this will solve your problem.

I'm a Mechanic.

I hope this help on your problem.
Thank you for use fixya...

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