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a/c light blinks on and off on 1992 Chevrolet 1500 Pickup

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
my a/c wont cool and the a/c light blinks on and off on control panel
(1) Answer
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Most likely caused by a low refrigerant charge. The air conditioning system works on high pressure if the pressure drops just a little the air conditioning efficiency drops dramatically. You will have to have the pressure checked, refrigerant added and or any leaks in the system repaired.