I don't know a lot about the specifics but this page might help you out:
I would check and see, but I would think the 94-96 should all be the same. Once again, however, I could be wrong, but it's worth checking into.
Also, I forgot to add this link. This is extremely helpful and should answer all your questions: http://www.impalassforum.com/vBulletin/index.php