I can run my A/C until I turn it off and when I turn it back on It will blow the fuse?

Tiny
BUTTERFLYPLANE27
  • MEMBER
  • 2002 CHEVROLET TAHOE
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 175,896 MILES
I had my A/C recharged. The guy put a jumper on it, I can run my A/C until I turn it off and when I turn it back on It will blow the fuse, sometimes the fuse will blow shortly after replacing when I turn it back on. Please help me troubleshoot this issue.
Friday, November 17th, 2023 AT 8:52 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,949 POSTS
I assume it is the A/C fuse that blows under the hood 15 amp, correct? If so, this will happen when the A/C compressor clutch coil starts to go out which sounds like this is happening to your car. To be sure let's remove the electrical connector from the compressor and then turn the system on to see if the fuse blows. If not, you know for sure it is the compressor clutch engagement coil. Here are the compressor wiring diagrams so you can see how the system works. Here is how to replace the A/C compressor coil. You will need to vacuum down and recharge the system; this video will help:

https://youtu.be/4EqdrBVb0sY?si=nCkKWjeGEWNjpsLF

Here is a generic guide to help you step by step with instructions in the diagrams below to show you how on your car:

https://www.2carpros.com/articles/replace-air-conditioner-compressor

Check out the images (below). Please upload pictures or videos of the problem so we can see what's going on.

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Friday, November 17th, 2023 AT 3:16 PM

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