Question about 2005 GMC Canyon

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2005 GMC CANYON BLOWER MOTOR ONLY WORKS ON HIGH?

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Ok I'm going to be honest and tell u the truth, this exact thing happened to me. There is a 4 part pigtail relay plug connecting to a transister, the high only works because it bypasses the transiter and go directly into the fan power, but setings 1,2,3 eventualy and no longer usuable due to the transister input to the specific speed burning out, u can lose differnt speeds and differnt times depending on which speed u prefer the most. If u prolong the repaire even longer it will cause a short and u will burn fuses or even the main fuse in your fuse box. How to fix. I didn't perform the repair but I read that the relay and the pigtail are both located next to the fire wall. It cost me a few hundred dollers, and only 35 dollers for labor, the rest was the transister and the pigtail being the most. Sapposidly it was vary easy to get to, and if you look in a haynes repair manual it will give you the electrical scymatics of the wireing for the fan blower control.

Posted on Oct 08, 2012

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Got an 04 Canyon that had the same problem. Under the dash on the passenger side there's a speed switch that controls your fan. Cost me $20 at the parts store. Easy to replace.

Posted on Oct 05, 2010

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Will soldering the wires directly to the resister lugs work?

Posted on Apr 08, 2014

  • Roger Avalos
    Roger Avalos Apr 08, 2014

    will soldering the wires directly to the resister lugs work?

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Posted on Jan 02, 2017

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SOURCE: Fan blower motor

The Canyon has an inherint problem with the Fan Power cable being loose. When I say loose...I'm saying that you need to adjust the wires and then take a zip strip to tighten it up.

Passenger side under the dask are 2 cable hook ups. the one on the farthest right (Only 2 wires going to the plug) is the fan power cable. Jiggle it while the fan is on position number3 so you can hear when it comes on!!!

Posted on Mar 11, 2009

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SOURCE: My 2005 GMC Canyons blower motor works only when

I believe your problem is a burned out dropping resistor. I don't know if you will find it under the hood near the heater, or behind the switch, but where ever it is this is most likely your trouble. It will be sometwhere in the line between the switch and the motor feed wire. I hope this helps you fix it.

Posted on Nov 07, 2009

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1 Answer

2004 canyon no voltage at heater resistor


The resistor provides the ground circuit for the blower motor. So you would need to have power at the blower motor first. Grounding the motor or resistor should make the motor run.
The blower motor gets power from a 30amp fuse which gets power from a relay.

Jan 18, 2014 | 2005 GMC Canyon

1 Answer

Heater fan only works on high


This is caused by a defective blower motor speed control resistor, the resisitor is located next to the blower motor.

Jan 13, 2011 | 2004 GMC Canyon

1 Answer

Heater and air only works on high speed. how do i fix this problem. the truck has 41,000 miles


Bad blower motor resistor normally located near the blower motor under the dash on the passenger side. Sometimes they are on the firewall under the hood on the passenger side.

Nov 14, 2010 | 2005 GMC Canyon

1 Answer

Fan motor doesn't work on 1-3 but works on 4 for the A/C and Heater. Is it a fuse or switch problem?


It's your blower motor resister. It is located on or near the blower motor. This, when it goes bad, will cause your fan to only work on high.

Sep 03, 2010 | 2005 GMC Canyon

3 Answers

Fan control only works on high in a gmc 2005 canyon


Replace the blower motor resister,it is mounted right next to the blower motor,it has a lug with about 7 wires on it.Just unplug it and remove two screws to remove the resister.This controls the speeds for the blower motor.The blower motor is the cause of the resister failure.Even if the motor seems to sound,and run fine,it is pulling to many amps.

Dec 08, 2009 | 2005 GMC Canyon

1 Answer

My 2005 GMC Canyons blower motor works only when the switch is placed on the highest position. Is it the switch, or the blower motor, or is there something that I am not thinking of?


I believe your problem is a burned out dropping resistor. I don't know if you will find it under the hood near the heater, or behind the switch, but where ever it is this is most likely your trouble. It will be sometwhere in the line between the switch and the motor feed wire. I hope this helps you fix it.

Nov 07, 2009 | 2005 GMC Canyon

1 Answer

AC switch only work on high


the blower motor resistor went bad its located near the blower motor under the pass. side of the dash

Oct 07, 2009 | 2005 GMC Canyon

1 Answer

Air only works on high


ALL YOU NEED TO DO IS REPLACE THE BLOWER MOTOR SPEED DROPPING RESISTOR, IT IS NEXT TO THE BLOWER HELD INTO THE AIR DUCT WITH TWO SCREWS.
PLEASE RATE THIS.

Aug 14, 2009 | 2005 GMC Canyon

2 Answers

Same issue with blower fan


Replaced connector and everything is perfect. Several canyons have had this same issue . looked through several forums. Thanks Guys

Jun 20, 2009 | 2004 GMC Canyon

2 Answers

Fan blower motor


The Canyon has an inherint problem with the Fan Power cable being loose. When I say loose...I'm saying that you need to adjust the wires and then take a zip strip to tighten it up.

Passenger side under the dask are 2 cable hook ups. the one on the farthest right (Only 2 wires going to the plug) is the fan power cable. Jiggle it while the fan is on position number3 so you can hear when it comes on!!!

Nov 18, 2008 | 2004 GMC Canyon

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