2003 Chevy Silverado my air wont cut off

2003 CHEVROLET SILVERADO
96,000 MILES • V8 • 2WD • AUTOMATIC
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WALTERMARQUIS
  • MEMBER
  • 1 POST
my air condition runs when my car is off and it drains my battery
Oct 9, 2009 at 6:54 PM
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MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
Here's the repair flow chart, use a test light as described.


https://images.2carpros.com/forum/automotive_pictures/62217_1_35.jpg


https://images.2carpros.com/forum/automotive_pictures/62217_2_33.jpg

If this dosent help, get the truck scanned for codes, you need a GM campatible scanner to read B and U codes, generic scanners wont work for this.
Oct 10, 2009 at 4:44 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.