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Volt Gauge?

This is a discussion on Volt Gauge? within the GM Trucks forums, part of the Vehicle Specific category; While driving our Suburban, I have noticed that the volt gauge moves around a lot more than any other car ...

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    Volt Gauge?

    While driving our Suburban, I have noticed that the volt gauge moves around a lot more than any other car we have had. It'll go as low as 13 and as high as 15+. Coming home from downstate it stayed at 13 the entire trip. I haven't checked the actual voltage at the battery terminals while it is running as of yet. Just curious if this is normal?

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    Your dealership guy konigandy6's Avatar
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    Quote Originally Posted by pajeff02 View Post
    While driving our Suburban, I have noticed that the volt gauge moves around a lot more than any other car we have had. It'll go as low as 13 and as high as 15+. Coming home from downstate it stayed at 13 the entire trip. I haven't checked the actual voltage at the battery terminals while it is running as of yet. Just curious if this is normal?
    Normal

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    Quote Originally Posted by konigandy6 View Post
    Normal

    Good to hear. Made me nervous to see the gauge move like that. I understand that the system may call for greater or lesser output depending upon load, just not as radical as I was seeing.

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    NASCAR Go Fast, Turn Left ntimid8r's Avatar
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    Unless you have an amp gauge hooked up...you're not really going to know how much current is being drawn from the battery. A volt gauge is helpful to keep an eye on the battery situation, but not a perfect reflection. Just an fyi

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    Quote Originally Posted by ntimid8r View Post
    Unless you have an amp gauge hooked up...you're not really going to know how much current is being drawn from the battery. A volt gauge is helpful to keep an eye on the battery situation, but not a perfect reflection. Just an fyi

    Agreed. I was just going to double check the gauge reading with my DVOM. If something does appear amiss I'll get my scanner on it so I can watch what is happening to see if it relates to any of the vehicle's electrical accessories.

    Thanks guys!

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    NASCAR Go Fast, Turn Left ntimid8r's Avatar
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    Quote Originally Posted by pajeff02 View Post
    Agreed. I was just going to double check the gauge reading with my DVOM. If something does appear amiss I'll get my scanner on it so I can watch what is happening to see if it relates to any of the vehicle's electrical accessories.

    Thanks guys!
    The burb's volt meter might vary a little more than the DVOM you put on. The variance is due to other wires and connections inline (i.e. dash circuit cluster). But it's good you check it with a DVOM just to see for sure where everythings at.

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