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Friday, July 12, 2024

How To Test an Alternator

Test the Resting Battery Voltage

  • If you don’t already own one, get a cheap multimeter.
  • Set it to read volts.
  • With the engine off, touch the red probe to the battery’s positive terminal and the black probe to the negative terminal.
  • The voltage should read between 12.3 and 12.8 volts. If it’s below that, charge the battery with a battery charger before you conduct the test again.

Test the Resting Battery Voltage



Article source here: How To Test an Alternator

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