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Showing results for tags '12.5'.
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2018 Silverado 2500 LT 1,300 miles truck during the day shows volts at 12.5. I can turn on ac full blast, radio and defroster and colts stay at 12.5 all day. When driving volts stay at 12.5 when I’m rolling and foot of gas mpg gauge goes up to 99mpg then will charge at 14volts as soon as I hit the gas bolts drop to 12.5. And night when headlights turn on truck will charge at 14 volts. First two times truck was taken to dealer they said nothing is wrong now the third time they tell me that’s not normal and change alternator and never fixed the problem still in the shop. Anyone have same issues or volts stay around 13.2-14.5 volts all day and night
