Question about 2002 GMC Envoy XL

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I have a 2002 GMC Envoy the blower doesn't come on until I turn it to 5 do I need to replace the bower or the harness

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Resistor pack. Located along heater box with cable/connector sticking out. Could be near passenger's feet or on firewall in engine compartment.

Posted on Sep 16, 2010

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2004 ENVOY WHERE IS MODULE RESISTOR


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I have a 2003 GMC Envoy and my issue is when I shut the blower off it still ... Can this issue also be remedied ...

2004 GMC ENVOY Blower Motor Control Module / Resistor



Nov 28, 2015 | 2004 GMC Envoy SLT

1 Answer

07 gmc envoy denali ac stopped blowing air, replaced the blower resistor but now still no air comes out, like no powere through... so what next, what module needs replacing?


You have three possible things left, check fuse #35 in the underhood fuse panel, wiring harness going to resistor pack (look for burnt wires or melted connector), or a bad blower motor.

Aug 25, 2011 | 2007 GMC Envoy Denali

1 Answer

AC blower fan no working on any speed. Somtimes works on speed 5.


The blower motor resistor needs replaced.Would also check the harnesses going to the resistor and blower motor for signs on melted wiring or poor connection.You may also need new pigtails if there is evidence of of wiring damage.

Aug 31, 2010 | 2002 GMC Envoy XL

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

Heater on 2002 gmc envoy does not turn on until you reach the setting 4 and then if you do that car dies, was told this is caused by resistance???


Blower motor resister,but shouldn't kill the car.It is mounted under the dash on the passinger side next to the blower motor.All is incased in a plastic cover.You should only have to remove the front screws to get to it.Well good luck and hope this helps.

May 16, 2010 | 2002 GMC Envoy

1 Answer

My 2002 GMC Envoy xl fan switch has 5 levels but the fan only works on levels 4&5. I heard there is a switch under the dash in the duct line, but I don't know what I'm looking for.


Your looking for the blower resistor. Its on the passenger side under the dash. Two of the wires go the the blower motor. The wire connector and the resistor can burn or corrode. The replacement is easy two screws hold the resistor in and the connector can be replace with **** connectors.

Dec 12, 2009 | 2004 GMC Envoy

2 Answers

The blower speed switch only works on 5. The


this problem is caused by a defective blower speed control resistor, it is located near the blower motor, very cheap to replace, part is around $35

Oct 26, 2009 | 2002 GMC Envoy

1 Answer

Envoy a/c fan switch problem


the fan motor needs a new relay its a harness under the dash pretty simple to replace

Jun 20, 2009 | 2002 GMC Envoy

1 Answer

2002 GMC Envoy


Sounds like the blower motor resister to me this piece controls the speeds of the blower motor it should be close to the blower motor on the passenger side it should have wires going to the blower motor very easy to replace.

Jan 08, 2009 | 2002 GMC Envoy

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