elec problems

[88dually]

weird intermittent short. Sometimes radio resets to no preset stations an 12:00 for clock, and both back windows dont work from any switch. this happens once or twice a year. restarting car fixes problem. remote to unlock doors didnt work, had to use key. Door lock switch in door didnt work to unlock doors, had to start car for it to work an unlock doors. Charging system an batt are charging the way they should. HELP