1991 Honda CRX Logo
Posted on Jan 19, 2011
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My 91 honda crx wont keep my battery charged with a good alternator whats draining the power

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  • Posted on Oct 04, 2011
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I'm having the same problem... Tested battery and it's good... Tested alternator an they said it's good also

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  • Posted on Jan 19, 2011
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You didn't mention how old the battery is but it could be that it has reached the the end of it's life. Just about anyplace that sells batteries will test it for free. As for a draw, it is possible for any number of things to run down the battery overnight including the diodes inside the alternator. (yes it can make a charge and still have a bad diode) Even the battery itself can be internally shorted. To determine if something in the cars electrical system is causing the draw, the next time you park it disconnect the battery, if it is dead the next day...viola' you have a bad battery. If not you have some more work to do. Try step one and if that doesn't get you anywhere, get back on here and we can go over what to do next.

  • Anonymous Oct 04, 2011

    What if the alternator is good and battery good?

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