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Chuck0 4/10/2010

1997 Ford Ranger XLT 6 Cyl 4.0L

Preventive Maintenance

Whats probility that repair shop's meter is faulty?

After spending $577.43 on A/C repair, oil chg etc, Trans flush Service I was advised my alternator was bad or going bad. When I used my multimeter to check (engine running, A/C on Max, Headlights and radio on) it reads 14/2 Volts.

1 Answer


HouseCallAuto 4/10/2010

The 14.2 volts is a good reading. If the alternator fails, you will become stuck within a short time after it fails as the battery becomes discharged. So time will tell if there really is or was a problem with the alternator.


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