Question about 2004 GMC Envoy

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Envoy Resister I have a 2004 Envoy , My AC works on all dials except # 5 the highest output .How do you change the Blower Resister? How can i find it on the envoy? Does anyone have a part number for this?

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Yes there is a blower motor resistor. It's mounted upside down on the blower motor, behind the glove box. 2 screws and 1 connector to the motor itself, common problem.

Posted on Jun 19, 2015

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No resister on this car. the a/c comtrole is a module. comtrol the blower. frist check the connetor for the blower. if is ok replace the controler. price for $ 200.00 call the deler

Posted on Apr 17, 2009

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1 Answer

I love my 2004 gmc envoy. It has been a good car except for the ac system. The ac does not blow cold air at all. It blows warm air but not cold. It also almost has no pressure. Lastly level 5 on the ac...


I would check the freon in the system. Their are kits avail. at parts shops such as Advance etc. Follow the directions and "viola" things will be cool.

Mar 24, 2014 | 2004 GMC Envoy

1 Answer

Ac blower has no high speed changed resistor, can not find blower motor relay


The relay is part of the resister, when you replaced he resister did you check the connector and make sure the connector was not melted if it is the you need to replace it.

May 23, 2011 | 2006 GMC Envoy

1 Answer

What causes the blower motor on a 2004 gmc envoy not to work on high ( setting#5) it goes off but if left on 123or4 it works fine


there is a bank of resister coils in the hvac box that houses the blower motor it will have two screws and a long conector with four or five wires replace this its called blower motor speed control resistor

Jan 14, 2011 | 2004 GMC Envoy

1 Answer

My air conditioner fan speeds have all stopped working except for 5. Any ideas what is causing this? The vehicle is a 2002 GMC Envoy.


Yes,it is the blower resister,it controls all the speeds to the blower motor,it is located near the blower motor,and it might have a wire harness that is burned up too,replace it,and the wire harness,and the blower motor,the blower motor is what causes the resister to fail,it draws too many amps,even though it might sound good,and run fine,it is requiring to many amps to run it.If this was at all helpful,please rate,thank you.

Jul 24, 2010 | 2002 GMC Envoy

2 Answers

The knob for my AC and Heat only works on high


knob is broken. i bet if you pull it off its not alighned to its proper functioning place.

Nov 06, 2009 | 2004 Chevrolet Tahoe

1 Answer

2002 envoy heater dial only works on the #4


Yes. This is a all too common problem. Replace the resister and it will work like new. Its located under the passenger side dash panel on the under side. Two screws and a plug and your done in 20mins.

Sep 28, 2009 | 2002 GMC Envoy

2 Answers

AC only works on settings 3 & 5


souns like a bad blower resistor.the resistor controls the different speeds.sometimes every speed except the highest will stop working.the blower resistor is almost always near the blower motor.

Sep 03, 2009 | 2004 Chevrolet TrailBlazer

1 Answer

A/C does not work on 1-4 but works on 5.


if u replaced the blower resister,then ur fan speed switch is bad

Jun 30, 2009 | 2004 GMC Envoy

1 Answer

Rear heat blows cold air


one of the second heater core lines is clogged.

Jan 05, 2009 | 2004 GMC Envoy

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