Digital Tach
 

hey if you have a digtal odometer in your car try this next time you start it. push in and hold your reset knob for the tripometer keep it pressed in and start the car after about five seconds its should flash test. press the knob a couple of times and you come to a digital tach! ive seen this trick on my 99gt and two of my freinds 99 cobras so im not sure if it works on other years..