I need to know if the PHONE pin one the Bose is pos. or neg. (TIA)
#2
![Default](https://www.audiworld.com/forums/images/icons/icon1.gif)
Multi-pin connector IV, 10-pin, red
1 - Telephone mute (AF mute)
3 - Telephone (AF+) (not on vehicles with navigation system)
4 - Telephone (AF-) (not on vehicles with navigation system)
5 - Navigation system (AF+)
6 - Navigation system (AF-)
7 - Navigation system control wire
1 - Telephone mute (AF mute)
3 - Telephone (AF+) (not on vehicles with navigation system)
4 - Telephone (AF-) (not on vehicles with navigation system)
5 - Navigation system (AF+)
6 - Navigation system (AF-)
7 - Navigation system control wire
#6
![Default](https://www.audiworld.com/forums/images/icons/icon1.gif)
It is a negative input(Shorted to ground) to enable radio mute, display of "PHONE" and routing of audio from phoone to front speakers. Connect output from Hands free kit to phone input for radio mute. The connections are marked on the back of radio unit.
Thread
Thread Starter
Forum
Replies
Last Post
lmariorod
Audi A5 / S5 / RS5 Coupe & Cabrio (B8)
7
10-26-2017 11:39 AM
johnd64
A8 / S8 (D3 Platform) Discussion
1
09-24-2015 09:21 PM