what kind of issues do you have exactly?
i am dealing with top operation issues as well. mine goes down and the light stays lit on the dash probably because the clamshell doesnt close all the way. when that happens i cant operate the top at all.
i am thinking its either the sensor in the transmission (mine is 2000) or i need to readjust the mechanism through the cables.
more info on this conversation here:
http://986forum.com/forums/general-discussions/58565-top-dash-light.html
if the top doesnt close correctly all the way it could also be the plastic gears in the transmission.