Some times a bad battery or a bad ground can do this.
The instrument cluster is what houses the speedometer, and the gauges.
you need a new instrument cluster about $350 same happened to mine.
There is no speedometer cable anymore, it's all electronic.
The power or ground connections to the instrument cluster could be bad. Check the fuses, then the wiring to the dash to find a common problem for the heat, gauges and speedometer.
Nothing
There are many places where one could purchase digital HVAC gauges. One could check online shops such as Amazon or eBay for deals on digital HVAC gauges.
Fuel, Temp, and Speedometer
it coulld have a blown fuse wich operates the instrument cluster
Cluster means all the gauges and warning lights on a vehicle i.e. fuel gauge,temp gauge speedometer, odometer, oil pressure warning lights etc.
rpm and speedometer gauges not working 1995 Chevy silverado 2wd
There is no fuse just for the speedometer. If the speedometer is not working, you may have a problem in the dash gauges cluster, or a vehicle speed sensor problem.
mitsu 3000gt