Step 2 of 6 · Battery & Terminal Service
Running voltage
Running voltage — step 2 of 6 in Battery & Terminal Service. Engine running typically ~13.7–14.7 V. Much lower and the alternator or belt may be the real story.
Free auto & mechanics tip: Running voltage (step 2 of 6 from "Battery & Terminal Service").
Engine running typically ~13.7–14.7 V. Much lower and the alternator or belt may be the real story. Look at the belt before you buy a battery 'just in case'.
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You'll need
- Resting V recorded
- Running V recorded
- Belt not glazed and screaming
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