took the tour to advanced and they tested the battery and alternator and both checked out good but I still think that it might be the alt. I hooked a multimeter up to my cigarette lighter and drove around, a few times my volts dropped to 11 but 90% of the time they were around 14

2000 svt #2103 of 2150 AEM short ram, B&M short shifter, no resonator 18" Enkei RS7's, 30% tint, C-27 front bumper