A/C and heater not working

2012 CHEVROLET IMPALA
152,000 MILES
Avatar
LINDA HARDIN2
  • MEMBER
  • 1 POST
replaced bower motor it was bad and then replaced resister, still no air from vents. don't know which fuse or relay to check to see if they're bad not blowing on any setting.
Nov 14, 2021 at 7:47 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Advertisement
Avatar
ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good morning,

I attached diagrams for you of the system. Check the fuse I circled for power on both sides with a voltmeter. The fuse should have power all the time. The key does not have to be on.

https://www.2carpros.com/articles/low-or-no-air-flow-from-vents

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

It could be a blown fuse or a resistor.

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

Roy
Images (Click to enlarge)
Attached Media
Attached Media
Attached Media
Attached Media
Attached Media
Attached Media
Nov 14, 2021 at 8:46 AM
Advertisement