I have the non mp3 stereo so I did some working with some old car parts

I have a garmin gps and an alpine ex-10(payed 20 bucks on black friday using newegg.com)

I didnt want to spend the 175 for a 6 disc mp3 and still not have bluetooth

 

Do you have all 3 of them inputed thru the same headphone jack via a splitter of some kind.

Nice work either way.

 

ya radioshack sells em