car loses power when i press ignition, no power at all until i pull the battery termi
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Thread: car loses power when i press ignition, no power at all until i pull the battery termi

  1. #1
    Nooblets
    Join Date
    Aug 2018
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    car loses power when i press ignition, no power at all until i pull the battery termi

    2014 civic si
    it did it 2 days ago in the morning. I left it sit for 2 days.
    started right up yesterday drove all day
    started today drove until afternoon
    went to get food and came back to start the car and it started doing it again

    battery is good tested.
    I also have a known good battery I use to jump start my cars all the time
    and also tried to jump it from another car

    when I press start it clicks one time and completely dies NOT EVEN HAZARDS are on

    everything is dead

    I lift the battery terminal for few seconds and got power and accessory
    as soon as I press ignition without even starting the car loses power again every time.

    battery and terminals are obviously making contact I checked fuses under hood didn't see anything obvious.


    what else can it be?
    faulty module somewhere that is shorting out?
    faulty ignition module
    anything else?

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  3. #2
    Nooblets
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    Check the alternator and starter. It’s a nice car still it shouldn’t be anything really. I have a 14 lx


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  4. #3
    Nooblets
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    Sounds like a weak battery. I know you “tested it” but what did that entail?


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    2015 FB6 DBP Si

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  6. #4
    Nooblets Aviator6's Avatar
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    Bad ground at frame and/or engine block. Loose or corroded
    Teeps likes this.
    2013 Civic Si /// 2019 Pilot EX-L

  7. #5
    Nooblets
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    indeed it was.
    it was progressively getting worse. so when I tested it few times when I tested all the grounds it somehow managed to make contact

    the bolt was looseat the battery ground for whatever fn reason the previous owner messed with it.

    it ****** with me because every time I pull the cable off it would get power so it looked like it was a faulty module that was reset every time I pull the terminal off.

  8. #6
    Nooblets Aviator6's Avatar
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    Quote Originally Posted by fuzzysig View Post
    indeed it was.
    it was progressively getting worse. so when I tested it few times when I tested all the grounds it somehow managed to make contact

    the bolt was looseat the battery ground for whatever fn reason the previous owner messed with it.

    it ****** with me because every time I pull the cable off it would get power so it looked like it was a faulty module that was reset every time I pull the terminal off.
    So, all is good now? Doesn't it really piss you off when something so minor takes up so much of your time to get it resolved!!
    2013 Civic Si /// 2019 Pilot EX-L

  9. #7
    Truck? What truck?! scottyrocks's Avatar
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    The test you need to do is called a load test. It measures the voltage while the battery is cranking the starter. A drop of only ~2 volts during this test means that your battery is toast.
    pimpmypc likes this.
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