Question about 2005 Mazda 6

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Battery dosn't charge, alternator/voltage adapter test's good.

As i drive my battery loses charge to the point were the truck dies. Tried a new battery not that, tested alternator "voltage reg in alternator" test came back good so its not the alternator.
its a 90 mazda bseries truck.

what do i check next?
thanks

Posted by on

  • chrissieleck Mar 12, 2009

    Tested the alternator off the truck at a parts store machine.



    thanks for your interest!

  • Anonymous Mar 22, 2014

    not charging.recived code for overcharging.battery is good

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  • Master
  • 4,669 Answers

Did you test the Alternator on or off the truck? It might be a problem with the control system to the Alternator. The regulator need a battery feed to work, It is usually ran through an alternator fuse.

Posted on Mar 11, 2009

  • Clint Smock
    Clint Smock Mar 13, 2009

    Sounds like the control system, check the alternator fuse.

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