"Rocky" <jcadellano.spam@optonline.net> wrote in message news:ncZ4f.29352$Ge5.11238@fe10.lga...

> Any comments on the value of adding a volt meter vs an ammeter?
> The factory idiot light was useless.

The idoit light controlled by the voltage regulator is the most simple
and effective tool. However, if you are using a voltmeter or an ammeter,
you'll have to use some brain power to determine if the charger is at fault.
Someone borrows your car could get stranded. Plus, one more part to fail.