Question about 2005 GMC Sierra Denali

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My blower motor resistor burned up I'n my 05

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Are you putting the right amp fuse in place of that fuse was at ? If you have a fuse that is 5 amps smaller could produce this same problem so go make sure your manual says what amp fuse goes there first. This might solve the issue. Usually if the fuse keeps breaking inside of it means that there might be a short some where else.

Posted on May 24, 2011

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Posted on Jan 02, 2017

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2 Answers

My 2006 blower fan switch only has a high. As soon as I turn it on it goes to high. Would this also be the relay?


this sounds like a bad blower motor resistor board that has gone bad. they are designed to work only on high if they go bad so you will still have the blower to defrost the windows.

Sep 10, 2014 | 2006 Nissan Titan

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Hello I have a 2005 gmc Yukon Denali. The other day it rained heavily. The next morning I went to work and noticed my ac blower wasnt working. So I tested it and the motor ran but I did find that my...


check the wires with a multimeter to see if there might be a short. put the multimeter where the fuse is at to see why the fuse is being dead. but make sure you know what you are doing first with multimeter or have someone else that knows how to use the multimeter.

May 24, 2011 | 2005 GMC Sierra Denali

1 Answer

Hello I have a 2005 gmc Yukon Denali. The other day it rained heavily. The next morning I went to work and noticed my ac blower wasnt working. So I tested it and the motor ran but I did find that my...


There is a short to power well you found one of the problems and that was the area that is wet, so let that dry, and if you have electrical cleaner (spay can type) just follw the direction on the container, and yes you will need to have the switch replaced those 2 component you found is the source of the problem

May 22, 2011 | 2005 GMC Sierra Denali

1 Answer

I have a 2005 gmc Denali and my blower resistor burned up. I went and bought a brand new one and a brand new pig tail because apparently the aftermarket one is diff. Any ways I pit it back I'n and it...


Hi, often the switch will fail first and then cause the resistor to fail. The way this happens is the switch may engage multiple speeds and thus cause excessive current through the resistors. You can check the switch at the resistor pigtail using an voltmeter or 12 volt test light. Each terminal in the connector should have power with one and only one setting of the switch. If more than one terminal has power for any switch setting, replace the switch. Please let me know if you need instructions or have any more questions, and thanks for using FixYa.
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May 22, 2011 | 2005 GMC Sierra Denali

1 Answer

Blower motor won't work, even with new motor.


Hello Travis.
If yours is dual zone, I believe the resistor (blower control module) is a solid state. Did you check it using the fan speed selector and test the voltage output on the purple wire?
The gray black wire going into the resistor is a variable voltage output from the heater control panel. This signal is amplified by the resistor/blower control module.
The black wire out of the resistor also needs proper good ground.
There is a fuse in the underhood relay/fuse panel that feedback from the resistor output to the blower (purple wire) is also fed back to the heater control panel. Verify this fuse is good.

When blower motors go bad they will often absorb a lot of electrical current. This current has to go through the blower control/resistor and will often burn them out due to the heat developed from the high current load.
These resistors are also mounted in the airflow out of the fan motor to help cool them so if the fan is still drawing current and not blowing the resistor overloads and burns it out.
Not sure how you tested the resistor but I suspect yours is faulty.
If you would like more advise let me know.

KL


Jan 04, 2010 | 1993 Buick LeSabre

1 Answer

2003 yukon denali---relay locate for blower


the relay is built into the speed resistor or motor control module ) depends if you have automative or manual heater controls. is automatic it will be motor control module and manual is the resistor module. these units are located beside the heate fan motor. the motor helps keeps the unit cool. just unbolt the module, unplug it and install new one. Just check to make sure the connector is good.. The heat created by the connection sometimes melts the power or ground leads (red or black) and if this is so you will need to replace the pin.

Sep 01, 2009 | 2003 GMC Yukon Denali

1 Answer

1999 yukon denali front blower motor not working


Check Fuse #3 in the under hood fuse block it is the only common connection I can make.

Jun 28, 2009 | 1999 GMC Yukon Denali

2 Answers

Blower for Heat/A/c not working


Blower Motor Resistor Replacement Removal Procedure
  1. If equipped, remove the IP sound insulator.

  2. 476821.gif

  3. Disconnect the electrical connection from the blower motor.
  4. Disconnect the electrical connection from the blower motor resistor.

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  6. Remove the blower motor resistor retaining screws.

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  8. Remove the blower motor resistor.
Installation Procedure

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  1. Install the blower motor resistor.

  2. 382493.gif

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  3. Install the blower motor resistor retaining screws.
  4. Tighten
    Tighten the screws to 1.6 N·m (14 lb in).

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  5. Connect the electrical connection to the blower motor resistor.
  6. Connect the electrical connection to the blower motor.
  7. If equipped, install the IP sound insulator.

Dec 08, 2008 | 2001 Chevrolet Silverado 1500

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