I've got to say that this is a great discussion. I'll be really glad when we get it all sorted out for the '92s and can all have a reliable way of reading these ECU's. At this point the only possible assistance I might be able to offer is that I recently bought a SSM ver1 and I might be able to open it up and check out what it's using for interface circuitry. I'm not sure how helpful that will be but thought I'd offer.
Incidentally, if anyone knows the part number for the OBD1 SVX cartridge that goes in the SSM v1 I'd be happy to have that info.
Thanks, and good luck moving forward.
Jay
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Speed Safely
Subaru, All We'll Drive
Black '92 LSl 270Kmi 5MT (W00t! for 1/4 million on 4/27/07)
Laguna Blue '94 L about 130Kmi (I think) for parts, in storage
previous: Green '92 LSl 253Kmi 5MT (sold to ron post moose adventure, sold to someone else)
previous: Maroon '92 LSl 130Kmi +- (sold to Ron, mashed by moose, crushed)
Black '89 XT6 5spd AWD (storage)
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