Question about 1999 Chevrolet Blazer

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Battery keeps draining but the alternator is good...what do I do/check?! Thanks in advance for a quick response...

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Could be 2 possibilities, 1 a tired battery, after awhile they don't hold a charge. #2 could be bad voltage regulator and thats in your alternator. Do you have a test meter? You can test output at battery, while vehicle is running it should read 13-14+ volts anything less, time for new alternator.

Posted on Jan 02, 2011

Testimonial: "Thanks for timely response! Checked voltage regulator= it reads 14. The battery (3 yrs old) is fine, but won't hold charge."

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Press the Blue Button Please to appraise my FREE! Effort.
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