Why won't the battery hold a charge when the alternator had been replaced?

Tiny
FARMER2012
  • MEMBER
  • 2004 HYUNDAI ACCENT
  • 269,000 MILES
Just replaced alternator and battery had been fully charged and all checks showed everything was ok
Monday, December 5th, 2011 AT 4:09 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
With the motor running, the voltage at the battery should be 13.7 to 14.5 volts.

If it is and your battery is good after a load test, you most likely have a draw on the system that needs to be checked from a shop.

Roy
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Monday, December 5th, 2011 AT 4:21 AM

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