Just for the sake of testing mate, I would one by one start adding the old parts back into the board until the error was cleared, use the process of elimination to try and work out what part is causing the issue.
If you find the problem is with the new WiFi card that you purchased I would then place the WiFi card into a different system to make sure that card worked properly, for all you know they might have just sold you a faulty part.
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To be clear you replaced all three parts with the exact same parts (no substitutions) AirPort, carrier board and AirPort data cable to the logic board.
crwdns2934271:0crwdnd2934271:0 Dan crwdne2934271:0
Yes, that is correct. All three parts were replaced. When I tried one of the combo cards, bluetooth works but wifi doesnt.
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