Question about 2001 Chevrolet Blazer
This is one of two problems (maybe both) ...
1. The battery has been fully discharged before, preventing it from being able to hold a charge properly. This can be tested at a Sears Automotive Center. If the battery is no good, get a replacement and you should be fine (at least for a while). If you are going to go to Sears, have them run a full electrical diagnostic -- if there is something draining your battery while the car is not in use changing the battery will only hide the problem for a few months until the new battery fully discharges, and the same issue with resurface.
2. Your alternator is not charging the battery. It might be pumping out electricity to the wiring that it is connected to, but the charge may not be getting all the way to the battery. Sears can also check this with their diagnostic tools, and should be able to locate and repair the problem for you. Unfortunately, without a VERY expensive diagnostic machine, it is very hard to tell exactly where the problem is occurring .. so taking it in to a shop is probably your best bet.
Posted on May 27, 2011
It is your battery for sure and possibly your alternator as well. The alternator should put out 13.6V -15V. Based on the description you have provided, your battery needs to be replaced.
Posted on May 27, 2011
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Posted on Jan 02, 2017
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