Just got my first HD about a month ago and love it. An '06 road glide with 8000 miles. PO just put in new battery. It started with the voltmeter showing 13 to 14 volts and now frequently it drops back to 10.5 or 11 and bat. light comes on along with engine light. Then it will go back to 14v and idiot lights go off. It goes back and forth but it is staying at 11v more now with the idiot lights on. I checked and cleaned the battery connections along with the fuses. Anyone have any ideas? Thanks!!