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Have new battery. think the alternator is bad. can jump start to run but if you disconnect the battery while is is running, it cannot sustain itself.

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Definitely a bad alternator

Posted on Dec 12, 2016

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Car does not start unless being jumped, has brand new battery and good alternator. after running car and charging battery, it will not start again if turned off unless again jumped.


Follow the negative cable from the battery to where it bolts to the engine or frame, unbolt it and clean the area with a wire brush or sandpaper, then reconnect the cable. A bad ground can cause this issue.

Apr 08, 2017 | 1984 Volkswagen Rabbit

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98 Buick Regal won't run unless hooked for a jump.


you may have a bad ground, or the ignition switch needs to be replaced.

Jul 28, 2012 | 1998 Buick Regal

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Car died while stopped at stop sign jump started got home replaced alternator starts with jump then dies removed pos. term. with key off strong spark...


While the car is running, disconnect Positive terminal of battery, if car continues running, alternator is good, you should replace battery,if it dies alternator is bad. Hope this helps

Jul 13, 2011 | 1999 Chevrolet Lumina

1 Answer

Stops running or wont start


Try Checking your battery cables. Make sure they are tight, if they are then check the connections to your alternator and your ground wires from your battery. you may either have a bad battery or a bad alternator. One way to test the alternator is to jump start the car then disconnect the battery with the car running.. if the car dies then u have a bad alternator... the Alternator should provide enough voltage to keep the car running on its own..

Mar 18, 2011 | 2002 Chevrolet S-10

1 Answer

I'm about to purchase a 1998 Plymouth Breeze from a friend and they say the car stops on occassion they told me to purchase a new alternator is this going to fix it or is there new problems ahead?


"Car stops on occasion" Then what happens? Does it need a jump to start back up or just let it sit and it starts? If the alternator is bad the battery then takes over running the vehicle. The battery is only made to crank the motor and when the car starts the alternator takes over and charges the battery back up. If the battery is running the car it will eventually run out of power and the car will die. If the car dies because of a bad alternator it will not start unless jumped or new battery put in. I really don't think alternator is the cause of that problem. I'd say don't do it unless you can pinpoint problem.

Dec 28, 2010 | 1998 Plymouth Breeze

1 Answer

1 have a 1986 caddilac deville i have to jump start it everyday it runs fine after the jump start but soon as i cut the car off it wont start anymore until i jump it again what do you think is the problem


Have you checked your battery???
A bad battery will not hold a charge. When you jump it to start it it will then keep running on the power produced by your alternator.The alternator will be trying to charge your battery but will not be able to if your battery is bad.

Mar 03, 2010 | 1989 Cadillac Sedan DeVille

2 Answers

I think I have a bad alternator on my 1992 volvo 940 turbo


Hi!
Start by charging the battery completely. Then, start your car and while running, remove the NEGATIVE battery cable from the battery. If the car dies, your alternator is bad. If it keeps running, reinstall the battery cable and turn the car off. Check for something that's on that would drain your battery like a light in the trunk, glove box, etc. that wont shut off.

Apr 06, 2009 | 1992 Volvo 940

1 Answer

Where is the Alternator located in a 1997 Lexus LS 400


If the car ran and got you home after a jump start I doubt the alternator is bad. Check your battery. And remember never ever disconnect the battery cable with the engine running.

Dec 25, 2008 | 1997 Lexus LS 400

1 Answer

95 sedan deville jf


The problem could be either one. To find out jump start the engine, with engine still running disconnect the positive battery cable. If the engine dies the alternator is bad. If the engine continues to run the alternator is working.

Dec 11, 2008 | 1995 Cadillac DeVille

2 Answers

Battery goes dead. Will take a jump start. If I remove the positive cable while truck is running the engine will die. I was told that meant that the alternator was bad. Is that true?


yes...if the alternator is charging, it could supply the necassary voltage to sustain the voltage to keep the truck running,

without it..the engine would die...

tnx for using fixya

i hope i was able to answer ur question...

pls rate me....


drcool

Jul 26, 2008 | 1987 Chevrolet Camaro

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