Altornator
10

Asked by GuruXYMF6 Feb 24, 2019 at 09:12 PM about the 2008 GMC Sierra 1500 SLE1 Crew Cab 4WD

Question type: General

Altornator periodically charges at 15volts,is this
normal?

1 Answer

F_O_R answered 5 years ago

15 is pretty high. Most of the time it should be 13.5 to 14.5 volts. As long as your battery is not boiling dry you should be OK.

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