EcoTec 5.3L V8
Hey! So, 2014 Silverado w/ 5.3L, I think it's the eco? Anyhow, it's running 120k ish, has new battery, new alternator, same issue w/ different new battery. It was happening on old alternator as well, but figured I'd try. After about 2wks the battery will be dead. Once its getting close to...