Air conditioning stopped blowing cold air

2004 CHEVROLET IMPALA
177,000 MILES
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KEVINJAMES
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A/C was blowing cold for awhile then all of sudden it's not cold. 10 amp fuse was burnt and then I put a new 10 amp fuse it blew cold for 5-10 minutes then fuse burnt again. I put a 15 amp that also burnt I put a 30 amp that burnt also. Compressor was changed a month ago everything was fine until now. what causes that to happen?
Jul 25, 2020 at 6:29 AM
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ASEMASTER6371
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Good afternoon.

You never, never ever put a higher amp fuse in a circuit. You may have cause wiring damage from the 30 amp fuse. The wire will overheat from the excess current flow in the wire.

Anyway, can you tell me the fuse number or what it was marked in the fuse block?

I attached a wiring diagram for you to view. Can you tell me which 10 amp fuse failed?

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

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

Roy
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Jul 25, 2020 at 8:33 AM
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KEVINJAMES
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Red 10 amp fuse AC/ RLY that's the fuse that burns out . I have a 3.4 liter engine.
Jul 25, 2020 at 3:53 PM
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ASEMASTER6371
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In the diagram I sent, both are marked. Can you give me a fuse number or if it says coil or load?

It makes a difference in the testing and possibilities.

Roy
Jul 25, 2020 at 3:57 PM
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KEVINJAMES
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Coil.
Jul 25, 2020 at 4:55 PM
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ASEMASTER6371
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Okay, can you remove the relay and put a new 10 amp fuse in and test for power to the relay? There should be 2 powers with the key on.

Roy
Jul 25, 2020 at 5:08 PM