Quote:
Originally Posted by Roy in TO
Could it be that it takes power to drop from 12 to 5V ? A constant on might be a constant drain.
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As said Roy I don't really have a clue as to why the one 12v USB plug designed for recharging the phones, iPods etc it will not work unless the vehicle is actually running. I do wonder if it has something to do with the total draw when the ignition is set to only auxiliary position as described above. Many of the newer vehicles have built in alarms, GPS, hands free/blue tooth and video touch screens for the radio etc. Perhaps allowing phones and iPads etc to charge when all of those are already on is just to much drain.