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low battery voltage

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Old Jun 11, 2008 | 01:35 PM
  #1  
Dolly's Avatar
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Default low battery voltage

I have a 2002 S-80, 2.9.Because the "low battery voltage" light came on, we had the batterytested and it was low. We installed a new battery just yesterday and I again am getting this same warning. What could be draining the battery?

 
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Old Jun 11, 2008 | 08:09 PM
  #2  
JPN's Avatar
JPN
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Joined: Sep 2006
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From: IPS, MA
Default RE: low battery voltage

I can only assume one one of the following:

- The warning must be reset at the dealer.
- There is a parasitic drain somewhere (glove box lamp, dorm lamp, etc...).
- The new battery was already low on charge/electrolyte (unless it was Volvo Battery or the Interstate Battery).

Wait for others opinions as well.


JPN
 
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Old Jun 12, 2008 | 05:40 PM
  #3  
tech's Avatar
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Joined: Sep 2004
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From: Orlando, Florida
Default RE: low battery voltage

Most likely the alternator is bad.
 
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