Question about 2002 Cadillac Deville

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2002 cadillac Deville battery won't stay charged.

Posted by Anonymous on

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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cadman000
  • 607 Answers

SOURCE: 98 cadillac deville battery wont hold a charge

sounds like a 12V drain on the system, like a trunk or glove box light that won't shut off.> Could be many. many other reasons why. The way I would find the draining circuit would be to remove the neg cable of the battery. I then would connect a 12V test light between the neg battery TERMINAL and the neg battery CABLE. With a 12V drain the light will shine. I would install into the light a 9V battery powered recepticle to hold computer and radio station memory. Then I remove fuses 1 at a time, then reinstall, at the same time looking for the 12V light to go out. Hope this helps.

Posted on Apr 05, 2009

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ifixgm
  • 29 Answers

SOURCE: where is my battery located on a 05 cadillac deville

HELLO.THE BATTERY ON YOUR CAR IS UNDER THE BACK SEAT.SIMPLY PULL UP ON THE FRONT OF THE SEAT BASE AND THE BATTERY WILL BE THERE. (CARFULL IF YOU ARE TAKING THE SEAT OUT THERE IS A CONNECTION ON THE PASSENGER SIDE UNDER THE SEAT FOR THE HEATED SEAT ELEMENT SIMPLY UNPLUG AND THATS IT GOOD LUCK RAY.

Posted on Jun 21, 2009

inkedsgt
  • 359 Answers

SOURCE: change battery 2002 cadillac deville

it is under the rear seat passenger side

Posted on Jul 17, 2009

Kravcar
  • 192 Answers

SOURCE: HOW DO YOU CAHNGE THE THERMOSTAT ON 2002 CADILLAC DEVILLE

The most common overheating problem with the Northstar engine is a blocked purge line. It's job is to purge air out of the cooling system.
There is a small diameter hose coming from near the top of the coolant tank,this is the purge line.
With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating.If the hose is clear, check for blockage at the nipple on the tank.Or trace the hose back until you find the blockage.The hose goes in to the engine to a crossover and comes out the other side to near the thermostat housing,the blockage may be there.

Posted on Feb 27, 2010

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1 Answer

2002 cadillac Deville won't stay charged what could he problem be. New battery and still won't hold a charge


It could be a bad alternator not keeping the battery charged. You need to check the starting and charging systems with diagnostic meters to find the problem.

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http://ricksfreeautorepairadvice.com/flashing-check-engine-light-is-serious/

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1 Answer

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Jun 03, 2009 | 2002 Cadillac Deville

1 Answer

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So you have a new alternator. I S IT CHARGING ? If the answer is yes , and the battery still dies, I would say there is a 12 volt drain in the electrical system. Hope this helps

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2 Answers

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Have you had the alternator checked?

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