Originally Posted by colts1899
I have already checked the fuse. And we looked at the rear differential and put a new sensor in and it still doesnt work.
Then I would say it's safe to say that your speedometer is bad. Get a whole instrument cluster from a junkyard. Can be had usually for around $40. That should fix your issue. The speedo and odometer are electronic so when they go bad and stop receiving and sending signal they don't work no more.