I've heard about the legendary switch, but I've never been able to find it on my '96 2dr. I don't know if that switch went away with the OBDII computer or not. I'm sure someone more knowledgable than I will chime in.
The only way I was able to get the light to go out was to fix whatever was causing the fault. In my case the OBD was throwing an EGR code. It was the steel line from the EGR to the manifold clogged with carbon. I replaced the EGR valve and cleaned out the line and the passage in the head (an hour working with a piece of wire and Gumout carb cleaner). When I did that, the light went out after about 20 minutes of driving.