yup they do. Lots of people have them. You would need a harness which Curt Aigner can get for you and plus need to drill a hole in the bumper when you install them. It's easier to see what I am talking about when you actually will have both, 94 and 98, in hand and compare them.
I am Pretty Sure you need a Harness and also need to drill a hole in the bumper . I should know, because I have the 98 turn signals sitting at home here. And not to get confused with the clear marker lights, I am talking about these ones..