Question about 2001 Chevrolet Silverado 2500HD

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The blower works only on #5 high not on 1,2,3,4 speed

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 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

MNfisherman
  • 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

e-Guru
  • 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.

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

Thanks

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

asetech74
  • 218 Answers

SOURCE: why does the blower motor only work on spped 4 and

Usually when the blower only works on the higher speeds, the blower motor resistor has gone bad. This should be located somewhere near the blower motor itself, it is usually bolted to the blower motor housing (or in that area), just unbolt it and you can replace it. Hope this helps

Posted on Jul 17, 2009

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Good Luck . . .

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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.

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