1997 Jeep Laredo Our Battery Held S Charge Replaced New One Worked While Now

1997 JEEP GRAND CHEROKEE LAREDO
17,700 MILES
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our battery hasn't held it's charge so we replaced it with a new one and the new one worked for a while now its loosing it's charge and the battery is about 3 months old is there any advice you might be able to give us on what might be wrong? Thanks
Feb 23, 2013 at 6:15 PM
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CARADIODOC
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Test the charging system. Measure the battery voltage with the engine running. It must be between 13.75 and 14.75 volts.
Feb 23, 2013 at 6:29 PM
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