Convertible HARD to wire up again~! help ;_;

[namakeru]

i just cannot figure it out, and searching has made me frustrated. so many dead ends

behind the rear seat is simple wiring easy to follow, but underneath the dash i get completely lost and i cant find a FSM that covers the 1993 240SX convertible option wiring

it was functional previously but now nothing

ive tried hooking up the old A/T shifter to test and see if i could somehow use the harness from it to fake it being in "Park" but it of course doesnt work

any clues or someone who has done this previously would be a huge help