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Its a good possibility Your diodes are burnt out, its time to replace your alternator, i had a similar problem on a 95 lumina with a 3.1l motor

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โˆ™ 2006-04-18 03:18:57
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Q: What causes the battery and brake light to come on when the alternator connector is plug in and it will go out when it is disconnected and sometimes with it connected it will kill the battery?
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