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  1. #1
    Radar Fanatic
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    Default Voltage Question

    Just rewired my X50 and would like to ask a Voltage question
    that some of you may know. I can't remember what it was running
    before but are these number normal for an X50 wired to a fuse
    box with a "Add a Circuit"

    Engine Running: 14.3
    Engine Off: 13.2

  2. #2
    Old Timer
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    Default

    That's about right for any "12V" vehicle. I think you're fine.

  3. #3
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    Default

    I think a 12V system runs anywhere between 11.4-13.8 volts. Alot of items that runs off of a cigarette lighter will even show an input voltage of 13.8. I think anything above like 14.2 or 14.3 volts sets off the voltage alarm on the 8500 X50.

  4. #4
    Old Timer
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    Default

    My hardwire sometimes shows 14.3 on the x50's display when the car's running (usually 14.1 - 14.2) - for the last 2 and a half years or so, no false alerts.

  5. #5

    Default

    You're normal ...

    When the alternator charges the battery (motor running) the voltage
    can go up to 14.8 for a moment then drops at preset voltage which can be different from manufacturer.

    When we think about electricity it is just wonderfull , thanks Electrons :wink:

  6. #6
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    Default

    Great.... thanks for the info. Couldn't remember what the
    original Voltage was and wanted to make sure everything was
    running smoothly.... :wink:

  7. #7
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    Default

    Forgot about this post..... I don't mean to double post but I would
    like to include my info here as well..... I won't do this again.

    I went to the Voltage Mode and While the engine is running
    the voltage keeps fluctuating between 14.1 - 14.3. Its it does
    it pretty rapidly, back and forth. Also while the engine is off
    I get around 12.5 - 12.8 it fluctuates less rapidly.
    Is this normal?

    Could it be the wiring not properly grounded?
    I'm thinking it would make the detector go
    low voltage or turn off and on if it wasn't grounded
    right. That Fuse Tap from the other install bent the
    fuse slot connectors apart a bit so I had to bend them back
    in order to make proper connection with the new
    "Add a fuse".

    Do you think it's the wiring?

  8. #8
    Banned
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    Jun 2007
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    Default

    .1-.5 fluctuation from the alternator is normal. hole volts 2-5 is bad.

 

 

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