Low Charging Voltage

[Chrisellenhem at aol.com]

Hello All,

Anybody have any thoughts on why I'd suddenly see a drop in charging voltage?
 Dash gauge indicating slightly less than 12V, analog meter across jump post
- and battery terminals - indicates 13V; where I've previously measured
~14.3V.  Belt seems tight.  Maybe glazed?  Had that condition previously but
was only affected by moisture.  This is a constant condition - not moisture
related; despite the heavy rain here in CT Sunday.  And the lower voltage is
causing some of my 'idiot' lights to be on: 'Antilock', Battery graphic, and
one other but I cannot remember which...  Also, anybody have any good
tricks/tool recommendations for getting to the rear alternator mount/pivot
bolt?  Can't seem to get a straight shot at it from above OR below..   TIA,
as usual.

Chris Hemberger
Amston, CT