Question about 2005 GMC Canyon
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
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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Posted on Jan 02, 2017
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
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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