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A/C not blowing on highest setting

Tiny
AROWLAND98
  • MEMBER
  • 2012 CHEVROLET TRAVERSE
  • 107,000 MILES
My A/C works just fine, but when I go inside the car and turn the knob to full blast it doesn’t blow on full blast. The car is on and there is nothing work with it other the A/C doesn’t blow on full blast.
Friday, May 7th, 2021 AT 3:19 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good evening,

I attached a wiring diagram for the system. The high speed is controlled by the HVAC control module. It is under the right side of the dash by the blower motor. I attached a picture for you to view of the part.

https://www.2carpros.com/articles/how-to-check-wiring

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Roy
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Friday, May 7th, 2021 AT 3:33 PM

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