So I sold someone a standard Ford headunit from my car on eBay early last month and he's messaged me today saying that he's just tried to install it and the code I've supplied him isn't working for it 
I know that the code definitely works because I had to reenter it myself into the radio after removing it from my car in the past. Is there a reason that it wouldn't work when entering it into his vehicle, and if so how can he get it to work correctly?
Want to try and help the guy get it working before he starts asking for a refund, don't particularly think I should be entitled to refunding after nearly 50 days!?
I know that the code definitely works because I had to reenter it myself into the radio after removing it from my car in the past. Is there a reason that it wouldn't work when entering it into his vehicle, and if so how can he get it to work correctly?
Want to try and help the guy get it working before he starts asking for a refund, don't particularly think I should be entitled to refunding after nearly 50 days!?
