I've found this:
http://www.crutchfield.com/S-qAJmtYAKAW ... 55B&o=&a=0
Anyone care to take a stab at whether this will work with the McIntosh system in pre MY07 Liberty's? I've got an MY04 GT so would be very interested if this worked.
I can't tell if this is meant for systems that have separate CD changer which of course the Subaru fitted systems don't.
Any ideas?