car battery

MAZDA 626
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JMATHIESON
  • MEMBER
  • 1 POST
my question is much more general. does a car altenator turn on and charge the battery even when sitting at idle? basically does the battery get charged as well sitting at idle as well as on the road driving?
Oct 20, 2007 at 9:13 AM
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MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
If it does'nt something is wrong...should charge at 14-15v at idle...
Oct 20, 2007 at 9:26 AM
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