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Why won't the battery stay charged? Mazda 1990 626 MY name Mary. ?

I just replaced the alternator twice and the battery cables, the battery is still draining.
Mary, November 2009
What tests did you do before replacing the alternator(s)?
What was/were the alternator outputs at low and high revs/loads?
Did you do a drain test to check if something was staying live and flattening the battery?
Did you test the battery to make sure it is capable of holding the charge?

vaux, November 2009
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