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Battery not holding charge

Tiny
HEATHERMICHALLAMB
  • MEMBER
  • 1998 PONTIAC SUNFIRE
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 140,000 MILES
I am having an issue with a leak in the battery power, it stays active if I leave it running but if I leave it overnight the battery is completely dead when I wake up. It will not even attempt to start up there are no sounds no lights nothing. I never leave any lights on or anything. Where is the best spot to start testing for the issue?
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Monday, November 15th, 2010 AT 7:52 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Your alternator should carry the load, engine running. Maybe a faulty battery or connections. With everything turned off, if you have excessive battery drain, pull fuses one at a time, when you pull fuse on effected circuit, the excess drain goes away. It's best to check amp draw, but, there are other ways.
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Monday, November 15th, 2010 AT 8:32 PM

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