My honda civic had been having issues with the battery, and I took it to Autozone to test alternator and it was malfunctioning I was told. It was draining my battery. I also noticed my A.C was not working properly, it wasn't turning off, despite me turning off the switch in the inside. When my alternator was replaced, it seemed that is was functioning properly. A week later after alternator is replaced I woke up to a dead battery. My car wouldn't turn on, but the day before, I had turned on my A.C for a little bit. Could a malfunction of the A.C. system be causing my battery to drain? Please advice.
My car has 150000 miles.
My car has an automatic transmission.
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