Question about 2005 Chevrolet Malibu

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No High Speed on the Blower

I have a 2005 Chevy Maibu. I just replaced the blower motor resistor and got speeds 1-4. I do not have speed 5. I am wondering what the cause of this problem is and whats the fix.

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  • Chevrolet Master
  • 21,873 Answers

There should be a high speed relay in the fuse box in the engine compartment. The relay provides power and bypasses the resistor for the high setting.

Posted on Jan 04, 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

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

  • 81 Answers

SOURCE: Blower motor or resistor?

I had a truck about the same year with the same problem, it was the wiring harness, but id check the resistor and the fan first before replacing anythings,

Posted on May 20, 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

  • 2 Answers

SOURCE: 2005 Chevy Surban blower motor resistor

mine did the same thing. It was the gears breaking off in the resistor. However, the wiring harness and resistor melted inside of the dashboard AND DID NOT trigger the fuse... causing a safety issue. This was this past month. I notified GM and the National Highway Traffic Saftely Administration hotline located in the owners manual. They are not tracking this problem to see about safety recall. If you have this issue, you need to ntify them as well at their toll free number

Posted on Oct 20, 2009

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How to replace the blower motor resistor block: Caution: Stay clear of the blower motor and resistor block (Hot). Do not operate the blower motor with the resistor block removed. 1. Disconnect and isolate the battery negative cable.
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Since speed 1 and speed 2 use the speed 3 resistor to drop there voltage and speed three is not working as well my guess is the speed three resistor is burnt out in the device referred to as the blower motor resistor or blower motor speed control module. This is located near the blower motor and is held in place with 2 screws. There will be several wires and possibly two connectors plugged into it.

These are really common failures in many vehicles. The parts are usually available at your local auto parts store and they are typically not that expensive.

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