What does the J0, J1 and J2 connections represent on the Airport Card? I had an issue where the wifi and bluetooth went out and said "Not Available" so I replaced the I/O board and the airport card. The Wifi now works but Bluetooth is still showing not available. I wanted to know which connection meant what and to see if I could fix the issue. I have reseated the cables, deleted the Bluetooh.plist file and reset SMC, but bluetooth still appears as Not Available.
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