I have a New Supersonic FC2200 TV DVD Combo. Can I plug both of the supplied power cords in at the same time and leave them. ( The outlets are a pain to get to ). There is no voltage on the 110 outlet when we are not attached to a campground 110 30 AMP power source. There is always 12 Volts available, even when attached to external power.
The Owners Manual does not say any thing about power cord ( Supply ) usage???
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I asked a question about auto air conditioning. Not electronics.
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