its weird that it quit after replacing the battery.
Try:
desconnecting negative battery cable and wait 2min or so....
re-connect negative cable. start the car, check the AC
Try #2
Check AC Fuse [not sure where's located]
Try:
desconnecting negative battery cable and wait 2min or so....
re-connect negative cable. start the car, check the AC
Try #2
Check AC Fuse [not sure where's located]