Going nuts with voltage fluctuations after an alternator change on my 1995 U300. Just installed 2 new 8D AGM's and cooking them with 16 + volts from the new (rebuilt 25-35 series) Powerline 200 amp alternator ( supposedly fixed 14 vdc - 200 amp output}. Have read all the threads and posts regarding sensing voltage connections etc. but still in trouble. I'm not the...