Hi

I have a escort lx 1996. Is it possible to install a rearview mirror that has the digital compus? is there any wiring i have to worry about?

If you want a compass you might also consider a GPS unit.

If you want a compass you might also consider a GPS unit.

Yea i know but i can probably pick up a used digital compus rearview mirror for cheap

Obviously, because it is digital it will require some wiring, and since you don't already have wiring there it will have to be added.
As mentioned above, a GPS unit or even a compass mounted on your dash would be more reasonable. THe rearview mirror might be cheap, but that will be offset by the headache of trying to get the thing installed the way you want it.