Question about Mazda B-Series

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Heater Fan Only has 1 Speed

My heater/defroster fan works on only one speed. Someone told me it was probably the blower resistor. I was wondering if that is hard to replace if I got the correct part. Where is it located and how can I replace it. Any information would be appreciated. If it is something that has to go to a shop, what would a reasonable price be to change it?

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I agree with the other comments.It's really not to bad to get at and I believe it's held in with a small screw.Once you have the part you'll find it easy to locate the one that has gone bad.Simply unplug the wires to the heater resister and remove the old part.There's a good feeling that goes with making your own repairs.

Posted on Nov 27, 2012

Testimonial: "Thanks, Donald. I don't usually do my own repairs, but $$$, or lack of it, may encourage me to learn, lol. "

  • Carl Correia Nov 28, 2012

    Thanks, Donald. Looking to save some money as well as geting the satisfaction of a DIY project.

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It most likely is the resistor, and should be an easy fix and not very expensive.Can't tell you where its located in your car, but if you get a repair manual for your model car, it should tell you. They are available at all auto parts stores, for around twenty five bucks. But before you buy the manual, ask the parts guy if he knows where it is located. He just might know. Hope this helps and good luck with it.

Posted on Nov 27, 2012

  • Carl Correia Nov 28, 2012

    Thanks for the info, Charlie. It is my daughter's truck and she can't afford the repair. I'd llike her to learn a little resourcefulness, so we started by checking out the FixYa site. It has been very helpful. Even if we don't do it ourselves, at least we will have an idea what is involved so we aren't way overcharged.

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Posted on Jan 02, 2017

e-Guru
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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.

http://autorepair.about.com/library/images/bl629a-lib.htm

Thanks

Posted on Apr 09, 2009

  • 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

  • 73 Answers

SOURCE: 2000 cherokee sport blower motor control

It is a bad blower motor resistor and it is mounted on the bottom of the A/C heater housing on the passenger side of the vehicle under the glovebox area. Hope this helps. Please rate this a fixya if it helps. Thanks.

Mike

Posted on Sep 13, 2008

  • 70 Answers

SOURCE: no heater blower fan speeds

Let the engine run, turn on heater, and get out and open and close the hood a few times, slamming it. If it starts to blow, you got a bad heater blower motor, with bad brushes. The resistor you are talking about, is about the size of a pack of cigarettes, with 2 screws, and has some white plaster looking stuff on the other side. I would replace that too if you get the blower out, because I do not think it will come out without first removing the blower. Resistor is about $20-25.00. Blowers usually go bad between 120-140k. I change the resistor every other time. The switch goes bad too, and it will only work on every other position. To change that, disconnect the battery, and take out the fuse box, and all the faceplate screws, and that will get you started. The switch from a dealer comes with the led lights and is $40. If you buy aftermarket, you may not get the lights. I have 2 1991 models, one with 360k, and one with over 500k. This has been my experience with the heating system.

Posted on Apr 23, 2009

motor1258
  • 6674 Answers

SOURCE: Blower Not Working In Speeds 1 to 3

Try to locate blower motor wires, usually up under dash on passenger side, maybe behind glove box, and follow wires from motor and they will usually connect to housing area, and real good chance that connection is your resistor pack if held on by screws or small bolts. Other place that you may find resistor is opposite side of firewall from blower, under hood. Look for connection at firewall, usually on passenger side.

Posted on Apr 26, 2009

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