1999 Honda Accord alternator

Tiny
LLOYD7504
  • MEMBER
  • 1999 HONDA ACCORD
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 180,000 MILES
All the red warning lights on the dash are on, the battery will go dead after alittle driving, the transmission sometimes will act like it is in nuterul but will eventually engage. The warning lights on the dash stay lit even after the battery has been fully charged. When running at about 70 mph the lights on the dash will go out or dim as long as that speed is maintained, the alternator is testing an output of 12.9 volts.
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Wednesday, July 14th, 2010 AT 11:47 AM

1 Reply

Tiny
CARADIODOC
  • EXPERT
Hi lloyd7504. Welcome to the forum. 12.9 volts is way too low. You must have generator output of 13.75 to 14.75 to charge the battery. This is probably a problem with the voltage regulator since 12.9 volts is slightly higher than the 12.6 volts of a fully charged battery. That would indicate the generator is at least trying to work.

Caradiodoc
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Wednesday, July 14th, 2010 AT 12:13 PM

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