charging problems

recently replaced my alternator on my 99 chevy prizm with a custom built cnc machined apex alternator due to the stock one failing to charge anything above 12.3/12.5 after replacement it ran did freaking amazing anywhere from 14.9 to 15.2 with headlights and ac on. about 3 days later i was...

What’s up all. I installed a mechman 370 on my f150. Now I’m getting a charging system light and my headlights are flickering even when radio and everything are off. My voltage also doesn’t stay steady even at idle it goes up and down from about 13.3 to 15.4. No idea what the hell it is. I’ve...

2006 Silverado -145 amp alternator -stock wiring -red top optima Okay guys when I say charging problems its a little different. I drive an hour away to college 4 days a week. Morning voltage is great, holdin between 15.20 and 15.40 whether I'm bumpin or not. The thing is I usually don't play...

2006 Silverado -145 amp alternator -stock wiring -red top optima Okay guys when I say charging problems its a little different. I drive an hour away to college 4 days a week. Morning voltage is great, holdin between 15.20 and 15.40 whether I'm bumpin or not. The thing is I usually don't play...