Question about 2004 GMC Envoy

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2004 gmc envoy blower motor does not work on high or number five

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Sounds like a blower motor resistor. it might just blown the fuse also(for resistor). Pick uo a chilton book at advanced auto or any auto parts store. They r like $12, it will show you where to find resistor and fuse.

Posted on May 21, 2011

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2004 ENVOY WHERE IS MODULE RESISTOR


2002 - 2009 GM BLOWER MOTOR RESISTOR - YouTube

? 4:17
https://www.youtube.com/watch?v=WWi-_-kY-dM
Sep 5, 2012 - Uploaded by davesgarage512
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

Blower motor


I'm showing a blower relay and a resistor used on models with manual ac control.
The blower motor is grounded and the fan switch provides power thru the resistor. So you have a 40amp blower fuse that handles high thru the relay, then a 30amp HVAC fuse that powers the blower thru the fan switch.
Do you not have power from the resistor to the blower motor on the purple wire ?

Jun 26, 2013 | 2003 GMC Envoy

1 Answer

GMC 2004 Envoy blows heat even with blower off ... Why ?


The relay in your blower motor is stuck on, there is a TSB for this issue. Replace the blower motor resistor and you'll be back in business.
How does the resistor get power if the fuse is pulled?
Replacing the resistor will cure both problems. TSB is a technical service bullitin seen below
Subject:HVAC Blower Motor May Run Continuously After Vehicle is Turned Off (Replace Blower Resistor Relay)Models:2004 Chevrolet Avalanche, Silverado, Suburban, Tahoe, TrailBlazer, TrailBlazer EXT2004 GMC Envoy, Envoy XL, Sierra, Yukon, Yukon XLwith Manual Control HVAC (RPO CJ3)Built Prior to August, 2003

Jun 04, 2013 | Cars & Trucks

1 Answer

The blower fan on my 2004 gmc envoy runs high speed and will not turn off even when the key is off


You need to replace the blower motor speed control resistor, it is located under the glove box. You can watch the repair on Youtube on an 06 which is the same as your model and year.

Oct 03, 2012 | 2004 GMC Envoy

1 Answer

2005 envoy heater blower will not work on speeds one to four but five works fine


You likely have a defective blower motor resistor pack and/or a damaged connector attached to the pack. These parts are located near the blower motor behind and below the glovebox.

Oct 16, 2011 | 2005 GMC Envoy

1 Answer

I have a 2004 GMC Envoy XUV and the blower motor only works on high. I would like to repair, please help


Hi, it is likely the relay in the resistor assembly has failed. Replace the resistor assembly.
To access the assembly, remove the right closeout/insulator panel (above the passenger's feet). Then remove the Instrument panel storage compartment door. The resistor looks like the pic below and is screwed into the heater box. The wires shown connect to the blower motor, and another 5-wire connector from the control panel is plugged into the resistor. Take the connector off and unscrew the resistor to replace. Please let me know if you have any questions, and thanks for using FixYa.

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Jun 11, 2011 | 2004 GMC Envoy

1 Answer

Htg and a/c fan switch only works on high in 2004 GMC Envoy. The a/c and heat work, just the blower only blows on high


Sounds like the blower motor resistor module is bad. It is located behind the glovebox and mounted to the blower motor. Open the glovebox and in the back left corner find a spring, push on spring to release glovebox door completely. You should be able to see blower motor and resistor module.

May 13, 2011 | 2004 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

I have a climate control problem on 2004 gmc envoy, it's climate control's fan is not working at level 1-3


The likely problem is the blower motor resistor pack is defective. It is located behind an access panel below the glovebox. Go to www.trailvoy.com and do a search on "blower motor resistor replacement"

Oct 26, 2009 | 2004 GMC Envoy

2 Answers

Envoy Resister


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

Apr 17, 2009 | 2004 GMC Envoy

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