Question about 1992 Cadillac DeVille

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Dead Battery After 2 days

I put a new battery & alternator on it. I have unplugged the leveling system & heat A/C blower motors also that has not helped.

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Check things like glove box ,boot or centre console lights. Also while recharging battery with engine cold feel alternator for any heat. Does alternator charge?

Posted on Jun 16, 2008

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I have a 87 caprice got a new battery and its dead in two days.


1. IF you have been driving it then the alternator may not be providing the power needed, the system is drawing on the battery and the battery is not being charged either when the engine is running. You should have the alternator checked.

2. If you alternator is good and the car has just been left sitting and the battery has drained then you have an excessive electrical load drawing power from the battery whilst the car is turned off. . It does not take much to drain your battery so you cannot start the car in just a day or less. A power widow motor or power seat motor that has power switched to it because the switch is bad is enough to run down the battery leaving you with insufficient power to start the car.

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My battery is every morning empty. Changed the dynamo, battery, steering contact. After removing the fuse of the radio / amplifier, battery keeps on level. Unplugging amplifier with fuse in results in low...


Have battery/alternator checked. Really clean connectors and battery posts even if they look ok. If battery is ok have it slowly recharged for 12-24 hrs. Alternators are not designed to recharged an empty battery but just to maintain the full charge. I large amp and sound system demands a big battery and heavy duty alternator.

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My 2004 Kia Optima keeps killing batteries. I've put 2 new batteries in the last 6 months. I just put the new one in and it was dead after not driving it for 3 days. If I unhook the battery it is fine...


Sounds like a parasite. Shut off the car for about two hours, this will allow all of the computers to go to sleep. Connect an amp probe on the positive terminal of the battery, on most newer cars, 50 miliamps or less is all the current draw that the car should have. If it is more, remove one fuse at a time, checking the current draw. Lets have an example:
Current draw after two hours = 3 amps, so I remove the fuse for the cigarette lighter, when i check the amp probe, the reading is still 3 amps, this tells me, since i have removed power to this circuit, that it is not my parasite. So, moving on, I remove the fuse for my engine computer, I check the amp probe, the reading is still 3 amps, again, since I have removed the power source to this circuit, and the reading stays the same, it means that this is not the parasite in my electrical system. Moving on, I remove the fuse for my blower motor (the fan for your heater and ac) when i check the amp probe, the reading is 47 miliamps, since the reading is less than the previous reading, and i have removed power from the blower motor circuit, it means that the parasite is in the blower motor circuit. Hope this helps!!

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1 Answer

Cars battery was dead after jump starting the car


The cold air is not related to the battery trouble.

I order for your car to MAKE electricity, there must be some power in the battery. If your battery is dead, when you jump it, you can run the starter motor but if you dont put electricity back into the battery, the alternator will not make power. And ... you have the blower on consuming any power that might be remaining in the poor battery.

You might need a new battery and you might need a new alternator in your 15 year old Park Avenue.

Thank your for your interest in FixYa.com

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1.You need to install a Fully charged battery, before you install a new alternator. Otherwise it will burn the alternator up.

2.I read what you typed about installing a new battery. Was the new battery fully charged, and was it installed before the new alternator?
No?
See number 1 above.

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now that u changed atl did u rest codes have them reset ya or unplug battery for few min back in see if code comes back then ok

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