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1999 Mazda 626 Complaint - Sicandtarrd - battery charging circuit

Review by grandpa650479 on 2011-09-19
Last year I had the exact same sympton: battery getting discharged. I replaced the battery and alternator twice; of course charged twice also.
the meter at Auto Zone told us the battery was good and the alternator
was bad since the alternator would allow the battery to become discharged.
i took the car to the dealer to check for low current drain or short with
the switch off since it would get discharged overnight. they found nothing. eventually I made the decision to disconnect the negative terminal overnight and it worked. until my daughter, the owner, got tired
of having to pop the hood in the wintertime nightly. who can blame her?
so the battery got discharged again. so I replaced the battery again and again it got discharged. Auto Zone was good to me they let me have a new
battery and alternator somce they were under warranty. so I am monitoring the voltage at the battery to see how much it drops overnight and how much it drops when I start it in the morning. it seems to be ok now. Auto Zone tells me the alternator was shorting and had mechanical problems. how could Mazda design a circuit so poor?
Comments:2 Replies - Latest reply on 2011-09-20
Posted by GenuineNerd on 2011-09-19:
Parts do wear out on 12 year old cars. Hopefully it is the alternator and not a hard-to-find electrical glitch (such as a rusted or shorted out ground wire that could cause a battery to drain.) If the problem continues, you may need to take it to an auto shop that specializes in electrical system repairs.
Posted by Starlord on 2011-09-20:
Mazda did not design a bad circuit. I agree, a 12-year old car will develop problems. Apparently you have never heard of Lucas, the genius show designed and made the electrical systems for British cars. No one wonders why he was called the Prince of Darkness.

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