Question about 2007 GMC Yukon Denali
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Posted on Jan 02, 2017
if you can reach the blower motor, it could be a worn out carbon brush of the blower motor. if they are, buy a set of carbon brush, learn how to replace them and it would be back running in no time. by the way, when you pull out the carbon brush holder, make sure you dont interchange the position. you can put them back wards and what would happen is the rotation will be reversed. either you reversed the carbon brush holder or just simply interchange the wires that are coming to the motor. i hope i was able to help...
Posted on Jul 07, 2008
A very common solution here is replacement of the blower motor resistor. The resistor when they break do one of two things.
A. work only on high
B. dont work.
This item is located on passanger side under dash and is usually held in with two small bolts on either side with an electrical connector seperating the mounting screws. It is mounted right in the air box. I replace at least one of these a week in my shop very common item.
Posted on Nov 04, 2008
if its work in only low speed u have to replace the blower motor resstor which located close to the blower
let me know have a good one
Posted on Mar 31, 2009
It seems the AC switch is faulty maybe it doesn't contact the compressor wire on the MAX.
Check the switch.
Posted on May 09, 2009
You can take a look at your fuses and see if your fuse is burnt out or if that not the case and the fuses are fine then it sound like blower motor is shot.
Posted on Jun 28, 2009
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