Thank you! My BT (2005 4.8is) would not go into pairing mode but the red light was on. Pulled #7 in the glove box and numbers 73, 74, 75 in the rear (I added #75 to the list here but may not have been needed). After letting it sit for 15 mins I reinstalled and pairing worked

As I have never used the BT before I have a question: does the phone call audio only come across the front passenger speaker or is something not right in my setup?