Read through quickly so excuse me if I missed something. I believe he has a 1987 300TD (estate wagon with turbo). If so, I'll check mine in the morning (once the sun is up) to see if the connection you are referring to is there or not. I don't recall seeing it over the many times I have had the rear seat (not the reversed seating position folding seat in the back) up in mine.

As to lifting the second row seat, are you pulling the two release handles on either side? If you have not yet located those, they have molded finger/hand reliefs in them and are found on the outer ends of the lower seats once the rear doors are opened.

Like I said, I may have missed some details as I skimmed.
Steve

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Steve
'87 300TD - 132K - Soon 4-Sale
'84 300D Turbo - 122K - Driving
'77 VW Type II - 77K - Restored
'08 250EX Ninja
English Bulldog (Brier) - My best friend. Passed away 12/02/04 while in my arms.