The only real way to know, is look at the wiring diagram for the model with the tach. Then look at your own connectors (when you pull the cluster) and see if it matches up. I'm inclined to think it will, it's a lot cheaper to make one wire loom, and not plug in the tach, than to make several different harnesses.
Maybe this is useless information, but on 1986-1993 Mazda trucks, one can replace the cluster with one from a truck that has the factory tach, plugs right in. On those one must move the speedometer cable over a tad so it doesn't bind, though.