Thread: Odd Electrical Problem
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  #3  
Old 04-19-2006, 11:07 PM
Ralph69220d Ralph69220d is offline
69 mercedes 220d
  
Join Date: Oct 2005
Location: Bozeman, Montana
Posts: 417
A well charged battery should read very close to 12.9 volts with the engine off. The alternator is going to put out something above 12.9 volts so the battery charges while driving depending on load.
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