Check it with a voltage gauge, at the battery when running and the alternator, but as said above that is not an out of the ordinary reading on a dash gauge, they are not as accurate as they once were new or are now used in cars. But just to be safe make sure it is putting out like it should and that your gauge is right. Overcharging a battery can actually burn them up, if that is a problem.
Technology is great when it works,
and one big pain in the ass when it doesn't
Detroit iron rules all the rest are just toys.
[This message has been edited by 84fiero123 (edited 07-06-2015).]