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Buick
Lesabre
Electrical
Battery
Drain
New battery being drained
1997 BUICK LESABRE
86,000 MILES • 3.8L • V6 • 2WD • AUTOMATIC
BROWN99
MEMBER
1 POST
New battery and starter, but the battery is being drained somehow. Is this a grounding problem?
Apr 5, 2019 at 5:53 AM
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ASEMASTER6371
✓
Experienced Mechanic
52,796 POSTS
Good afternoon,
If the battery is draining overnight then it sounds like a parasitic draw. I attached a guide on how to check for the draw.
https://www.2carpros.com/articles/car-battery-dead-overnight
If it dies while running, it could be a charging system.
https://www.2carpros.com/articles/how-to-check-a-car-alternator
Roy
Apr 5, 2019 at 6:55 AM
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