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I just replaced my 12 V battery and now the car won't start. I can jump it to get it to start but when I turn the car off, it won't start again without a jump.

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  • cathy oates
    cathy oates Apr 01, 2015

    rechecked the connections this morning and it was the positive terminal that got loose.

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  • Cars & Trucks Master
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Cathy IF you install a battery and the car start only with a boost only 2 thing first your battery is no good and 2nd and i dont want to insult you i seen it a few time on the top battery post a new battery come with little plastic cap to prevent sorting did you remove them

Posted on Apr 01, 2015

  • 2 more comments 
  • cathy oates
    cathy oates Apr 01, 2015

    the caps were the first thing I removed, but thanks.We checked the battery with a volt meter. How about a fuse?

  • pierre laplante Apr 01, 2015

    if your car start with a boost that mean everything on the car good the only thing left is your therminal battery wire goes in the therminal it as to be that if you would have a probem with anything else on the vehicule it would simply not start so it has to be the therminal the cable that goes in them

  • Cathy Oates
    Cathy Oates Apr 01, 2015

    thanks, well check it in the morning. hopefully that will fix the problem.

  • cathy oates
    cathy oates Apr 01, 2015

    it was the positive battery terminal not being tight enough. Thanks for your suggestions!

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  • Master
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Best thing to do is while you have it jump started remove the jumper cables then loosen and remove the hot or positive lead on the battery while its running if It dies with the battery cable or positive + removed from the battery it is definitely the alternator thats bad this is a firm way to test your system on your own. How to test your own alternator to see if it is good or bad. Thanks the FixYa team
PS>>>Remember to safety do this do not touch the wrench or ratchet to metal while loosening the + post from the batterybest to lay cardboard or anything to cover the metal to prevent sparking if it accidentally touches metal thanks

Posted on Apr 01, 2015

Testimonial: "lots of good things to check. I know there's no corrosion or rust where it's grounded. Will check to make sure all is tightened down and check the fuses and then try some of the other suggestions."

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    write back if you run into any problems at all someone will try there best to help right away thanks for using FixYa

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I agree but if the battery is up where it should be check the battery cables where they fasten on both ends. I had to get a tow one day because it would not let me boost and what they found was my ground battery cable where it fastened to the engine had corroded and would not work. A new cable and cleaning where it fastened did the trick.

Posted on Apr 01, 2015

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Sounds like you have a real bad connection on the terminals try disconnecting it and making sure they are clean and tight ,, Is the battery good ? it could be bad even if it is new , Why did you change it? could it be a bad altenator that is running it down and not recharging? most autozones or advanced auto stores will test for free ..

Posted on Apr 01, 2015

  • Cathy Oates
    Cathy Oates Apr 01, 2015

    I replaced it because the original one had low voltage and there were some display issues.. Battery terminals are clean, I'll check the tightness in the morning. Do you know if there is a fuse back by the
    battery? The owners manual has a vague diagram of 3 places where there are fuses.

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  • Cars & Trucks Master
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The battery might need to be filled with battery acid or it needs to be charged sometimes you can get a bad battery too,take it back and have it checked

Posted on Apr 01, 2015

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