Is there an easy way to test the internal.

Tiny
GATERTAMER
  • MEMBER
  • 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 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 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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