I've seen a few on various threads...most have pin 54 empty. My Chilton's schematic for the '92 has pin 54 empty, while the '93 schematic shows pin 54 with an orange/black wire(which my '92 has) for "transmission emcc solenoid".
Just trying to get it back on the road, it was my dad's last new car(he passed in '95), has about 60,000 miles on it. It runs/drives OK.