When I turn the heat or the A/C on nothing comes out. The resistors are good the fan motor is good, and all the fuses are good.
Nov 10, 2022 at 1:52 PM
When I turn the heat or the A/C on nothing comes out?
2009 CHEVROLET AVALANCHE
LEVY36ER
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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.
See if the red wire at the speed controller has power. This guide can help test the wire with the key on HVAC system on. Also, check the ground as well. here is guide that will help you with the test. I also gave you the HVAC and blower motor wiring diagrams so you can see how the system works.
https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester
Check out the images (below). Please let us know what you find. We are interested to see what it is.
https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester
Check out the images (below). Please let us know what you find. We are interested to see what it is.
Images (Click to enlarge)
Nov 11, 2022 at 9:21 AM