#2219, "RE: adding tach to base eclipse" In response to In response to 5
you could pop the speedometer out of your old cluster and put it in the new one you get with the tach. ( to keep the odometer correct if the new one isnt close enough)
(its 4 screws once you take off the clear lense and black overlay.)
A candle burning on both ends is twice as bright but lasts half as long.