A:AnswerAttached to my steering wheel column and use for phone calls while phone is in pocket if your phone has bluetooth or use the USB plug into your phone
A:AnswerNot sure about the #'s other than model series....lower #'s men lower in the series....the letters are more important...bt = blue tooth ready....cd = compact disk player.....ect ect
A:AnswerIt should as long as you were playing that source when you left car. What can stop this from working is if you turn off Bluetooth to save power or if your phone dies while you were out of he car.
A:AnswerWe always recommend to replace harness. I am unsure what model you had but the harness has gone through a physical change so most likely will not fit your older harness.