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2010 Battery Warning light

cbexplore

Active Member
Joined
May 16, 2010
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City, State
saint Louis Missouri
Year, Model & Trim Level
2004 Explorer XLT V6 4x4
My 2010 Ford Explorer has been having the battery warning light coming on and off for about 2 mo. I replaced the battery 3mo ago.
The other night it went crazy. While at idle in park the dash lights starting flickering and then went off then the headlights went off.
Battery was dead and couldnt start the vehicle. Put a new battery in and truck started. Drove it home. Next day took it to parts store and they tested the alternator and it tested good 13.67 volts output at the battery terminals. New battery was good of course 12.24 volts but older battery was showing good but needs charging. So somethings is not right here? Brand new battery started throwing the warning light 20 min after testing all good. Could this be a regulator issue or bad connection somewhere?
Thanks
 






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