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2003 Chevy Blazer blower switch

Tiny
LKNOTT34
  • MEMBER
  • 2003 CHEVROLET BLAZER
Air Conditioning problem
2003 Chevy Blazer 6 cyl Two Wheel Drive Automatic

The blower for my A/C is not working. Problem seems to be between the controls and the blower itself. I want to check the blower switch but wanted to know where to look for it before I just start pulling things apart.
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Sunday, June 6th, 2010 AT 10:17 AM

7 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Try powering the blower motor from the battery and see what happens if it works check blower motor relay and resistor okay here test the blower switch
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Sunday, June 6th, 2010 AT 4:06 PM
Tiny
LKNOTT34
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Checked the motor and it is good. I have swapped relay and resistor. Where is the blower switch located?
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Sunday, June 6th, 2010 AT 4:27 PM
Tiny
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Disregard the blower switch check and test the blower motor speed controller behind right side of I/P on plenum
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Sunday, June 6th, 2010 AT 4:42 PM
Tiny
LKNOTT34
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I'm sorry, but you are dealing with an idiot. What is the I/P?
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Sunday, June 6th, 2010 AT 6:16 PM
Tiny
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Its the I/P ( Instrument Panel ) no problem
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Sunday, June 6th, 2010 AT 6:20 PM
Tiny
LKNOTT34
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Do I have the correct part??


https://www.2carpros.com/forum/automotive_pictures/359670_DSC03797_1.jpg



https://www.2carpros.com/forum/automotive_pictures/359670_DSC03799_1.jpg

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Sunday, June 6th, 2010 AT 6:38 PM
Tiny
RASMATAZ
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Look at the pic below-there's a connector-which is for the blower motor speed controller at no.12 verify the connector to the controller mating surface. If it matches you're on the right track.


https://www.2carpros.com/forum/automotive_pictures/12900_blower_control_module_1.jpg

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Sunday, June 6th, 2010 AT 6:58 PM

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