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Electric problem on 2003 Ford Explorer

Yesterday I had to charge the battery. The truck started, but now the radio, guages (speedometer, tach, gas guage etc) and power windows won’t work. Any suggestions?

You could try a hard reboot of the system. Disconnect the battery overnight and reconnect in the morning. The GEM (General Electronics Module) that controls all of that not working has a short-term battery back-up that needs to discharge to reset the module.