My car does that too. It'll show 10.5 volts on the gague, and read almost 14 straight from the battery. I've always attributed it to the fact that my alternator doesn't kick in until about 1500 rpm's. *shrug* Louie Golden VIN 10115 Sanford, NC --- wmack <wmack@xxxx> wrote: >I have noticed the volt gauge will sometimes drop to the 10.5 mark in >traffic. However when I put a voltmeter on the battery at the same >time, I get a constant 13.5 volts. Is the volt gauge measuring the >volts in the battery? Or the volts going through the system with the >help of the alternator? Could the volt gauge have gone bad or is >there a part between the battery, alternator, and the gauge that could >have gone bad? > > Willie Mack