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low voltage?

Discussion in 'GM Electrical Tech' started by reggiecab2000, Oct 10, 2011.

  1. reggiecab2000

    reggiecab2000 Rockstar 4 Years 500 Posts

    Hey guys,
    my voltage on my truck always sits around 13.5-14 (eye estimate) but it never seems to be sitting at 14.1 like it should be... i saw it once last week sitting there but everyday i get in my truck its always below the 14 tick mark... i have noticed this for months... Does this indicate a problem or is this normal? I am doing the BIG 3 upgrade soon, and am hoping that if it is a problem it will be fixed by this...
  2. murdog94

    murdog94 Epic Member 5+ Years 5000 Posts

    Sounds about right to be honest. especially since the guages in the newer (96 up) trucks are run by the PCM and not a direct lead from the alternator itself, and sometimes can be a touch off.
  3. reggiecab2000

    reggiecab2000 Rockstar 4 Years 500 Posts

    alrighty then. thanks for your response :)

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