I probably still have the cage somewhere, I'll have a look for it. I think it is screwed to the outer cage, not welded. The guy I bought it from had removed it from the outer cage and there wasn't any sign of force having been used.
As far as I remember, the cage has a short antenna wire fixed to the back which hangs down behind the carpet of the footwell. As I remember it, the connector between the cage and car is one column wider than the Legacy one. It's got an extra two pins.
The connector on the right hand side of the cage is for the boot mounted cd changer. I figured out the pinout of it at one time, but I didn't keep a record.
You may be interested in this post, although it's not strictly relevant to this discussion.
http://www.subaru-svx.net/forum/show...85&postcount=8
__________________
Subaru ECU and TCU Website
1992 Alcyone SVX Version L
1992 Alcyone SVX Version L
1994 Alcyone SVX S40-II
2004 Subaru Legacy 2.5 SE Sports Tourer
1996 Subaru Legacy 2.2 GX Wagon
1988 Subaru Justy J12 SL-II