How to fix a 2003 fiesta flair speedo not working?

To fix a 2003 Fiesta Flair speedometer not working, first check the vehicle's fuse related to the instrument cluster, as a blown fuse can cause the speedo to fail. If the fuse is intact, inspect the speed sensor located on the transmission; it may be faulty or disconnected. Additionally, examine the wiring and connectors for any signs of damage or corrosion. If these steps don’t solve the issue, consider consulting a professional mechanic for further diagnosis.