Air conditioner working but climate control has no light and blower not working

Tiny
JASON ROLDAN
  • MEMBER
  • 1999 CHEVROLET BLAZER
  • 4.3L
  • V6
  • 4WD
  • 124,000 MILES
No air from vents and the inside has no pawer but air con works because I hear clutch on.
Sunday, June 19th, 2022 AT 5:18 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,959 POSTS
This can be a bad fuse, or the HVAC control unit is out, let's start with the fuses. here is a guide to help and the fuse (HVAC, HVAC1, RDO Batt) locations. Here are the A/C wiring diagrams so you can see how the system works:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
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Monday, June 20th, 2022 AT 1:17 PM

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