can i install a aftermarket stereo if i have every harness and wire needed.? I went on some website and it says you need a radio interface thing and i dont know if its worth getting.. it says it powers it it keeps ur radio functions but do i really need it ?
2003 vw passat monsoon sound system..
installing pioneer deh 1300mp
2003 vw passat monsoon sound system..
installing pioneer deh 1300mp