Shorting out batteries

2003 GMC YUKON
200,000 MILES • 5.3L • V8 • 4WD • AUTOMATIC
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BRYAN MANN
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Replaced Alternator did fine, now have been through three brand new batteries. Shorts them out overnight.


Dec 7, 2016 at 12:50 PM
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HMAC300
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you probably have a drain on them check for a parasitic draw. See link.
https://www.2carpros.com/articles/car-battery-dead-overnight
Dec 7, 2016 at 3:21 PM