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
1993 MAZDA MX3
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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
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