Question about 2004 GMC Envoy

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My 2004 gmc envoy's fan only works on speeds 4 & 5. What could cause this?

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The cabin blower fan?
faulty switch.

Posted on Jul 14, 2009

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Related Questions:

1 Answer

Level 5 on my air conditioner is not working.


ok that means that speed number 5 on the fan blower is bad or your climate control unit is malfuntioning

Jul 13, 2012 | 2004 GMC Envoy

1 Answer

The air conditioning in my 2004 GMC Envoy keeps cutting off & on what would cause that to happen


Could also be your fan motor going bad. If it cuts out, immediately turn the fan speed to 5. If it comes back on, replace the fan motor located under your dash beneath the glove box.

Apr 19, 2012 | 2002 GMC Envoy XL

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

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

2004 GMC Envoy with a P0526 sensor problem


This code indicates a problem with the fan clutch, the speed it is running is not the speed it was commanded to run/ The fan clutch assembly needs replacing.

Jun 03, 2009 | 2004 GMC Envoy

1 Answer

2005 GMC Envoy SLE blower fan speed #5 is not working


More than likely this should just be your resistor. You have different sized coils on the back of your resistor for all the different fan speeds. if one of them burns out or breaks then that certain speed will not work.

Feb 03, 2009 | 2005 GMC Envoy

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