Question about 1997 Cadillac DeVille

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I was driving and all of a sudden my car cut off and wouldn't start. The only way it would start is by jumping it off, but it would soon cut off

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Dies again after a boost? how soon after? Check & tighten all connections at battery & other end of ground cable. Sounds like alternator but double check those connections to be sure. If you have a multimeter, hook up to battery & record voltage after you disconnect boosters and running on it's own, as well as when engine off.

Posted on Feb 02, 2009

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Hi it sounds like it maybe your altinator.if it was just your battery the car would stay running off your altinator.if your alt. was bad the car would jump but not stay running.

Posted on Feb 02, 2009

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Sounds like either your battery or your alternator has gone bad....if you can get it to an auto parts store they can check it out and tell you which it is or both....

Posted on Feb 02, 2009

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1 Answer

What would cause temperature gauge bouncing ?


Sounds like the sending unit has an intermittent short to ground. Unhook the the wire from the sending unit, and see if the needle stops jumping around. If it quits jumping around, replace the sending unit. If it still jumps around, you have a bare spot somewhere on the wire and it is hitting ground which will cause the needle to jump. Cut out the bad part of the wire and splice in a new section. That should fix it.

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My 2007 dodge charger didn't crank so I jumped it


A battery from 07 is still decently new to be that bad, but I would check the alternator first, just get the car running and unhook the positive cable from the battery, if the car dies the alternator is bad.

Oct 22, 2012 | Cars & Trucks

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My car wont start it have to be jumped off and when i get it jumped off it will start but will not start again after i turn it off. i replaced the battery and it still does the same thing. i saw some smoke...


No because then it wouldn't jump. Does the vehicle even turn over? Is the battery dead and you are supplying it electricty by jumping it? If so check for a draw on the battery, loose or corroded battery terminal ends, and the alternator output.

Sep 02, 2011 | 1999 Pontiac Bonneville

1 Answer

Went to the mall and got back to car and car wouldn't start. Had to call roadside assistance for a jump. Got home, turned car off and car won't restart. No interior lights.


Sounds like a dead battery, the fact that you were able to drive it all the way home after being jump started means that your alternator is working fine, but as soon as you turned it off there is no way to restart it since the battery is bad. Take out the battery and go have it tested at your local auto parts store to be sure, but that is most likely the cause.

Aug 14, 2011 | 2008 Lincoln MKX

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I brought a new battery and drove it for a couple of days and then it just cut off while driving got a jump and when i parked it it wouldn't start


well it sounds like the alternator is not charging properly. car off at battery there should be at least 12.6 volts. jump start car, when running if alternator is good battery voltage should be 14.2 to 14.6 good-day !!

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98 MercuryMountaineer..It Runs for about 5 Mins Then Cuts Off


it's a default sensor to keep from blowing motor, you need to check your radiator for leaks. If that doesn't fix the problem , change your alternator. :)

Nov 25, 2008 | 1998 Mercury Mountaineer

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