Not sure if your '93 has it stamped on the stick, but I'd check to say if it says something like "Use Mopar ATF 7176 or Dexron II".
DexII was superseded by Dexron III years ago. You can find generic DexIII/Mercon ATF at virtually any parts store.
That said, for the fun nuances, the DexIII license lapsed a while ago as GM moved to Dexron VI. Mopar's ATF 7176 became part of their ATF+ series, and they're currently on ATF+4, which is supposed to supercede the 7176 specification.
At the end of the day, you can either use the generic Dexron III/Mercon ATF, Mopar ATF+4, or Dexron VI. All of these are backwards compatible with the original specifications, but if you switch up to the modern ATF+4 or DexVI, I'd strongly suggest sticking with just one from here on out and not mixing the two.