IS THERE AN EASY WAY TO TEST THE INTERNAL ...

  • Tiny
  • gatertamer
  • 1993 Mazda MX3
  • 220,000 miles

Is there an easy way to test the internal voltage regulator in the alternator in a 1.6L mx3

Saturday, January 19th, 2013 AT 8:55 AM

1 Answer

  • Tiny
  • mhpautos
  • Expert
  • 29,842 posts

Use a multi meter set on 20V check voltage out put at main alt cable, you should be seeing a steady output voltage, it will vary depending on battery condition, charge and system load.

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Saturday, January 19th, 2013 AT 11:14 AM

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