Climate control

1991 CHEVROLET CHEYENNE
300,000 MILES • 4.3L
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DANCOLLIER
  • MEMBER
  • 1 POST
The arrows lights on the climate control are blinking on and on and the actuator door for defrost and the vents and floor do not work.
Nov 4, 2018 at 5:06 PM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
The lights will blink when one of the actuators is not working. Here is a guide to help you see what you are in for when changing the mode actuator out and the location of the actuator for your truck below:

https://www.2carpros.com/articles/replace-blend-door-motor

Check out the diagrams (below). Please let us know what you find.

Cheers, Ken
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Professional Diagram for 2CarPros Members
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Nov 6, 2018 at 10:45 AM
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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.