my a/c wont cool and the a/c light blinks on and off on control panel
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1992 Chevrolet 1500 Pickup Question: a/c light blinks on and off
Answer #1patrick mannion from Greg Solow's Engine Room, September 26, 2010, 12:53Master
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.