How do you replace the speedometer in your 88 Ford Festiva?

To replace the speedometer in your 1988 Ford Festiva, start by disconnecting the negative battery terminal to ensure safety. Remove the dashboard trim and the screws securing the instrument cluster to access the speedometer. Carefully disconnect the speedometer cable and the electrical connectors, then remove the old speedometer and install the new one by reversing the process. Finally, reassemble the dashboard, reconnect the battery, and test the new speedometer for proper functionality.