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  1. #1
    Newcomer
    Join Date
    Jul 2005
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    Upstate New York
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    55

    Default Voltage Question

    I had to replace a wire to the cigarette lighter in my car and now im running 14.4 volts. Is this going to do damage?

  2. #2
    Old Timer
    Join Date
    Jun 2005
    Location
    New Hampshire
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    6,806

    Default

    No, this is a normal voltage when the engine is running. With the engine off, you should see roughly 12 volts.
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  3. #3
    Radar Fanatic
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    Nov 2004
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    Kentucky, USA
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    Default

    Not a problem at all. I show 14.3-14.4 while running, 12.5-ish when off.

  4. #4
    Yoda of Radar
    Join Date
    Nov 2005
    Location
    NY
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    11,016

    Default

    Average car:

    13.8-14.2 (Car on) +/- .2 Volts
    12.4-12.6 (Car off) +/- .2 Volts


    Average truck:

    14.0-14.4 (Truck on) +/- .2 Volts
    12.6-12.8 (Truck off) +/- .2 Volts



    (This is just normally, generally trucks (especially heavy duty) run at a little higher voltage level then you average car.)

    -Also just because your car is on this DOES NOT mean your alternator is putting out anywhere near 'average/max' output. You have to raise the RPMS up a few hundred (some cars even up to 800-1,000 RPM) for the alternator to be at 'full' capacity. It actually SHOULD be the way I described, your idle alternator output should be lower then your 'driving RPM' alt. output.-

  5. #5
    Lead Foot
    Join Date
    Jan 2006
    Location
    Albany, GA
    Posts
    370

    Default

    My cars are usually around 14.3v

  6. #6
    Good Citizen
    Join Date
    Jul 2005
    Location
    Colorado
    Posts
    125

    Default Re: Voltage Question

    Quote Originally Posted by Grambo246
    I had to replace a wire to the cigarette lighter in my car and now im running 14.4 volts. Is this going to do damage?
    No worries, Escort's own X50 manual says that it's good to 16.5 Volts before they consider it to be above voltage and display an over voltage condition. (if set to "V" mode to monitor the voltage) If you are looking at their manual under the specifications section where it says "12 VDC Negative ground", there are no lead acid car batteries that are actually 12 VDC. They all are a nominal 13.8 VDC, and need to be charged slightly above that, so the 14.4 VDC you are seeing indicates a healthy electrical system.

 

 

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