I just purchased an appradio2. I am using a PAC ms-FRD1 interface to keep Microsoft Sync. The issue is appradio2 has no aux input. To keep the Sync prompts I need an aux input. Anybody have any suggestions? There is a 3.5 mm stock input in the the dash.

 

Also how about if I ran the aux male plug from the PAC ms-FRD1 interface to a female aux input on an amp and then ran the output of the amp to the amp input of the appradio2. Not sure how this would work though.