the speedo in my 97 gp gt just quit working along with the cruise and dic info that is tied to the speedo(mpg,range ect.) i changed the vss no change i tried to drive with it unplugged wouldent shift so its not the vss put in a cluster from a 98 gtp from my sons car same problem any ideas would be apreciated before i have to start chasing the wire from the pcm up thanks!