Hello

Can anyone tell me the pinouts of rca plug 1? I am specifically looking for the location of the mute wie.I removed some wires I thought I wasn't going to use,but my new interface has this connection.Thanks

Another post covered this, here: http://www.avic411.com/forum/viewtopic.php?t=6918

 

The short of it, mute is pin 20 - which is top leftmost connector if facing rear of unit (yellow/black stripe wire picture in above thread). Full pinout is: