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Alternator

Tiny
CBLEUZ
  • MEMBER
  • 1993 HONDA ACCORD
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 218,000 MILES
How do I know if my alternator is bad on my 93 honda accord
Saturday, March 5th, 2011 AT 8:06 PM

2 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,873 POSTS
Use an inexpensive digital voltmeter to measure battery voltage while the engine is running. It must be between 13.75 and 14.75 volts.
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Saturday, March 5th, 2011 AT 8:12 PM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
I would just add that under no circumstances remove the battery terminal while running the engine, some trey this old method to test the charge rate, but on EFI cars you can do serious damage as when striking back the terminal you can cause a voltage spike that can fry electrical equipment, do as caradiodoc says, alway test with a voltmeter.

Mark (mhpautos)
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Saturday, March 5th, 2011 AT 10:15 PM

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