A/c stopped ingaging
1990 Chevrolet S10 Blazer

A/C Stopped Ingaging

(1990 Chevrolet S10 Blazer)
With my 89 S10 4x4 Blazer I am having trouble with my A/C. The compressor clutch stopped ingaging I check the freon (good. The system was total replaced two summers ago, I gave check the wiring and connection all good
1 answer & 1 comment
Popular Answer
Do you have power at the air conditioning compressor clutch with the air conditioning switched on and the engine running. If the system is low in refrigerant the low pressure switch will not allow power to be sent to the compressor to save the compressor form operating with an insufficient amount of refrigerant in the system. Use a volt meter to confirm power. If you don't have power I will go through the electrical trouble shooting diagnostic with you.
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Can use a jumper on low side for freon but plug it back in and not working? Any ideas
General Diagnosis
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Do you have power at the air conditioning compressor clutch with the air conditioning switched on and the engine running. If the system is low in refrigerant the low pressure switch will not allow power to be sent to the compressor to save the compressor form operating with an insufficient amount of refrigerant in the system. Use a volt meter to confirm power. If you don't have power I will go through the electrical trouble shooting diagnostic with you.
Sign in to reply
Can use a jumper on low side for freon but plug it back in and not working? Any ideas

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