1994 Ford Bronco

109,440 MILES • V8 • 4WD • AUTOMATIC
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BUBBLES15
  • MEMBER
  • 1 POST
How do you know if an alternator is bad? Where should it read on the amps gauge?
Jun 9, 2008 at 12:04 PM
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BMRFIXIT
  • ✓Experienced Mechanic
  • 19,053 POSTS
With a volts meter
connected to the battery terminals read battery volts when engine is running
it should be around 14.5 volts
if under 13 volts alternator may not be charging
if over 14.5 alternator is over charging



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Jun 9, 2008 at 12:23 PM
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