How can you tell if the alternator quits working

Asked by Feb 16, 2017 at 03:49 PM

Question type: Maintenance & Repair

3 Answers

85,565

You can check at the battery with a digital multi-meter set on DCV. With the vehicle running check at the battery, it should show anywhere from 13.8 to 14.7 DCV.

1 people found this helpful.
85,565

Otherwise the DCV will just show battery voltage. A fully charged battery is 12.7 DCV.

115,925

Your battery dies and you can't start the car?

Your Answer:

Maintenance & Repair Experts

  • #1
    Tom Demyan
    Reputation
    209,280
  • #2
    dandyoun
    Reputation
    104,010
  • #3
    tennisshoes
    Reputation
    92,910
View All

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.