2003 Cadillac CTS battery

2003 CADILLAC CTS
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BRENALAW
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2003 Cadillac CTS 6 cyl 125000 miles

Every 3 days I have to recharge my battery in the morning. I have replace the battery but it still needs recharging. What could be the problem
Jul 9, 2009 at 1:08 PM
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BLUELIGHTNIN6
  • ✓ASE Certified Mechanic
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  • ASE Certified Mechanic
could be a weak alternator using some of the battery during vehicle operation. have alternator tested and also inspect battery cables and terminals.
Jul 9, 2009 at 2:05 PM
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BRENALAW
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My battery is only draining at night, its good for 2 to 3 days then after then the next morning it good. I replace the autonator in Jananuay
Jul 9, 2009 at 2:08 PM
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BLUELIGHTNIN6
  • ✓ASE Certified Mechanic
  • 16,542 POSTS
  • ASE Certified Mechanic
Must have an electric draw somewhere then... have you searched for anything that may draw it such as glove compartment lamp, vanity mirror lamp etc..? This link may also help..

https://www.2carpros.com/first_things/why_is_my_car_battery_dead_over_night.htm
Jul 9, 2009 at 2:11 PM
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