The air conditioning and radio go on and off at random.
When random components start acting weird and turning on when they aren't suppose to is normally caused by an electric short to power. This can happen from looming wires chafe on metal components and connect to other circuits that should be separate. An electric diagnostic should be carried out by a qualified technician in order to find the true cause of why your radio and AC are not operating properly. Also, failing modules could cause similar problems due to the fact that multiple modules in vehicles all communicate to each other. This is called multi-plexing.
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