Question about 2001 Chevrolet Tahoe

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A/c heat blower speeds 2001 Chevy Tahoe LS

Hi,Blower speed control 1 and 2 does not work,3 and 4 work fine.Speed 2 was working fine untill 3 weeks ago.Where is the blower resistors on this truck,Any help would be greatly appreciated,Thanks Anthony.

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  • Anonymous Mar 23, 2014

    Have to have it on 4 or more to work

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Need blower resister for blower.

Posted on Jan 01, 2009

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2003 Chevy Impala w/dual zone heat /AC stopped blowing on speed 5. Worked fine on speeds 1 thru 4 for about 4 weeks then stopped working on all speeds.


Likely the blower motor resistor. located right next to the blower motor, this device is resposible for reducing the voltage suplied to the motor. when it fails you may loose some or all speeds of the motor

Nov 04, 2012 | 2003 Chevrolet Impala

1 Answer

The fan in my 2001 chevy tahoe doesnt work on 1 or 2 but 3 through 5 are fine


Usually a sign of a faulty blower resistor. The resistor changes the amperage of the circuit to change the blower speed.
You can look the part up online to get a visual.

Sep 15, 2012 | 2001 Chevrolet Tahoe

2 Answers

Heayer doesn't work


The resistors provide resistance in the circuit, dropping voltage to the blower motor to slow the motor speed down. On high, the blower receives full voltage through the blower relay.

If you had High but no other speeds, then the resistor pack is usually the culprit. If you have all other speeds but high, the most common problem is going to be the blower motor itself, relay, or the switch panel.

You can check this by turning the fan speed to "high", unplug the blower motor, and check to see that you have roughly at least 12v at the plug. If you have 12v, that means the switch panel is activating the relay and the relay is working. Over time, heat kills the magnetic properties of the magnets inside an electrical motor. Without enough magnetic energy, you may not get enough opposing force to spin the rotor full speed when the windings energize, but still enough to spin at lower speeds.

Another thing you can check is the connector at the blower motor and the switch panel. Sometimes these will heat up, start to deform, and cause a bad connection. The bad connection may be able to handle the lower current draw on low speeds, but the higher resistance from the bad connection won't be able to handle the higher current while in the full speed position.

Hope this helps, keep me posted. be glad to help you get your heater working again soon.

Jan 07, 2010 | 1995 Chevrolet Tahoe

1 Answer

2004 chevy heater fan works on low and medium speed but not on high speed


There are two relays for the heater control fan,a low blower relay and a high blower relay.It sounds like the hi blower relay is bad.

Dec 12, 2009 | 2001 GMC Jimmy

2 Answers

ON A 2001 CHEVY MALIBU THE BLOWER FAN ONLY WORKS ON SPEEDS 4,5 .... 1,2,3 DONT WORK, FUSES ARE FINE


The blower fan uses a multi segment resister to control the fan speed, it is generally mounted just under the blower in the ducting. The reason 1,2 and 3 are not working is, sections of the resister is burnt out. The lower speeds are the first ones to go since they get hotter due the higher load in soaking the unused power. Resister is around $20. look for blower resister.

Nov 24, 2009 | 2001 Chevrolet Malibu

1 Answer

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sounds like you need the blower speed resistor...once you put in the new one it will work just fine.......

Sep 19, 2009 | 2000 Ford Focus

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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,

May 20, 2009 | 2002 Chevrolet Silverado 1500

2 Answers

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.

May 16, 2009 | 2002 Chevrolet Cavalier Coupe

1 Answer

I have a 2001 chevy cavalier and the blower only works in speed 3 and 4 but not 1 and 2 what could it be


Sounds like the blower resistor pack. It is usually located near the blower motor as it gets hot and needs the airflow to cool itself.It has three resistors that the switch controls to adjust the speed. Find it and change it and I bet that will be the end of your problem. Good luck.

Dec 14, 2008 | Chevrolet Cavalier Cars & Trucks

2 Answers

Air conditioning blower speeds


sound to me like you have a blower fan problem. its not uncommon for the fan to "burn out on the lower speeds due to those being the most commonly used speeds. double check with your mechanic to be sure. blower motors aren't hard to replace but the prices vary alot based on type.

Sep 17, 2008 | 2001 Chevrolet Tahoe

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