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Thread: Elmscan 5 USB Question

  1. #1
    Newbie
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    Feb 2009
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    Elmscan 5 USB Question

    Does anyone know if leaving the Elmscan 5 cable plugged into the car while the car is off will kill my battery? I have noticed that when I have it plugged in and turn the car off the power light still stays on. I just want to make sure I don't leave it plugged in and end up with a dead battery in the morning!

    Thank you,
    Bill

  2. #2
    oxo
    oxo is offline
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    Nov 2008
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    Well, I have one plugged in all the time ...
    - but I start the car every day.

    I have read that people do have them connected all the time.

  3. #3
    FLAC
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    Dartmouth, MA
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    It seems like when the Elmscan isn't in use it uses very little power. It seems like the only thing on is the light. I haven't done a test to see how much power it actually uses, but I think you'll be fine.
    My Nearly Complete Car:
    http://www.mp3car.com/vbulletin/show...ed-car-pc.html

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    http://www.mp3car.com/fusion-brain/1...-internet.html

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  4. #4
    oxo
    oxo is offline
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    And as a comment: if the ELM device is bluetooth, it can be it is discoverable also without the ignition off.
    I'll be investigating this latter
    http://apps.sourceforge.net/trac/symbtelm/

  5. #5
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    Feb 2009
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    Thank you guys I will try it and see what happens!

  6. #6
    Low Bitrate
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    Dawson, IL
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    109
    I do not use the Elmscan, use HPTuners for scanning/logging/tuning - had a problem where if the device was plugged in and the car was not run for around 3 days the battery would be dead.......... added a relay to switch the OBD2 power line off if the ignition is off and all is well
    If anyone gives me a rev - I give them the Bird

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