1993 MAZDA MX3
220,000 MILES
Avatar
GATERTAMER
  • MEMBER
  • 33 POSTS
is there an easy way to test the internal voltage regulator in the alternator in a 1.6L mx3
Jan 19, 2013 at 8:55 AM
Advertisement
Avatar
MHPAUTOS
  • CERTIFIED EXPERT
  • 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.
Jan 19, 2013 at 11:14 AM