Q: 2004 silverado ac compressor wont engage will not see key is turned on in ignition

asked by on September 21, 2017

ac compressor will not engage we put scanner on it but scanner says key not in ignition when it is and truck is running also the compressor light in the dash blinks 3 times continuous it has a full charge of 134a

My car has 195000 miles.
My car has an automatic transmission.

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