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What should my battery gauge reading be

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I know the minimal about cars enough to know when I really need to take it in to get it fixed or if it's something that I can buy and my husband or I can fix it at home but my question is what is my battery gauge on my dashboard supposed to read that something that I've never known nobody's ever told me and I googled it but Google tells me several different things I just want to know if where my gauge is means my battery is bad or if it's something else thank you

 

2003 Chevrolet trailblazer

 

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Posted by: @candance86

I really need to take it in to get it fixed

What needs to get fixed? Why are you asking about the battery gauge?

I'm mystified as to the true motivation behind this post.

If your trailblazer has a problem, then please. We aren't mind readers .... just tell us what it is!

4

13.5 to 14.5 volts provided the alternator is doing it's job.

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