Charge light gauge not working

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  • WilsBoar
    Low Range
    • Dec 2010
    • 91

    Charge light gauge not working

    New alternator and solenoid installed but the dash charge indicator light is not working and when I unhook the battery cables she dies. Shouldn't the engine still run if the battery cables are removed? Sound like bad wiring somewhere? When should the charge light actually come on if it was working properly?
    1969 Series IIa 109
    She is ugly but she is mine...
  • WilsBoar
    Low Range
    • Dec 2010
    • 91

    #2
    Partial answer....no bulb and the bulb connector broken in half. Best place to find a replacement connector/bulb?

    Still have the issue with not running without the battery hooked up.
    1969 Series IIa 109
    She is ugly but she is mine...

    Comment

    • 4flattires
      4th Gear
      • Aug 2007
      • 424

      #3
      Couple of questions, comments.

      Do you have a digital volt meter for testing? If not, you really should have one.
      Is your alternator, internal or externally regulated?
      Alternators and solenoids are for different circuits (charging vs starting), so not really related in this case.
      I'm guessing you have a light, not a charge gauge, do advise.
      I'm unclear on your last question, but the light should naturally go off (unlit) when charging properly.
      64 SIIa 109 all stock
      69 SIIa 88 all stock
      Old tractors
      New Harleys
      Old trucks

      Comment

      • SafeAirOne
        Overdrive
        • Apr 2008
        • 3435

        #4
        Not running without battery connected = alternator not putting out voltage.
        --Mark

        1973 SIII 109 RHD 2.5NA Diesel

        0-54mph in just under 11.5 minutes
        (9.7 minutes now that she's a 3-door).

        Comment

        • WilsBoar
          Low Range
          • Dec 2010
          • 91

          #5
          Rigged a two wire switch to the wires of the bad bulb connector and she runs with the battery cables off now. Is that supposed to be wired like that?

          Tested the alt and she is putting out at least 12-13 volts (internally regulated), and the charge light is only a light and not a gauge. Understand the light should go off if charging naturally.
          1969 Series IIa 109
          She is ugly but she is mine...

          Comment

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