[blowncopcar]

Each morning in my G10 metro when it's under 50 degrees, my Ultraguage reads that my volts are constantly over 15.1 volts at around 65+ mph, sometimes up to 15.4 volts.... at 70 mph im at about 4100 rpm i believe (5 speed, 4.29 gearing i think, whichever is stock)
The battery is 5 months old (higher-grade), everything else is fine...
I replaced the accessary belt 6 months ago along with timing belt, and the accessary belt was too big... even tho at multiple stores and on all the websites it was the right size... i had to get one about an inch shorter than stock...
Now the owner before me had a CB Radio installed.... so could he have installed a smaller alt. pulley to generate the extra power? And would installing a stock size pulley help my MPG? I know running an underdrive pulley would help, tho ive never found one... It just looks to me that generating all these extra volts seems like a waste since i barely even have a radio and dont drive at night much...
If anyone knows why Im running so many volts and also why I lose about 100% coasting mpg whenever i turn anything electrical on, fans or lights...
Thanks