well, i bought one off ebay, and it didnt work. the auction said clearly it was for a 98-04 mustang. and after it didnt work, i emailed the seller, and she said it was tested before shipment(but she offered a refund if it doesnt work). i replaced the battery, and still nothing.
did all 03 mustangs definetly come with keyless entry??
out with the old: 93 turbo integra
in with the new: 03 mustang