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The low battery light indicator.

Discussion in '1st Gen. Tacomas (1995-2004)' started by Genekauaii, Jun 1, 2023.

  1. Jun 1, 2023 at 4:47 PM
    #1
    Genekauaii

    Genekauaii [OP] 01Toyota Tacoma TRD 3.4 supercharger.

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    I have replaced my battery. It went completely dead .Everything is working fine now . I wanted to know if there is a low battery indicator that will come on? It never did . I replaced the oem instrument panel a few years ago. If it is a light bulb is it an easy fix ? Thanks for your help.
     
  2. Jun 1, 2023 at 4:54 PM
    #2
    Andy01DblCabTacoma

    Andy01DblCabTacoma Well-Known Member

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    You can head here: https://www.toyota.com/owners/resources/warranty-owners-manuals and grab a PDF version of the owners manual.

    It does show a battery light on the dash. I think it would really depend on how attentive you were. All the lights should come on before you start the truck as a lamp test, so check that first to see if the bulb is out. Otherwise.. I'd be willing to bet the battery was doing enough to work until it wasn't.
     
    Genekauaii[OP] likes this.
  3. Jun 1, 2023 at 7:04 PM
    #3
    Kevins60

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  4. Jun 1, 2023 at 7:41 PM
    #4
    Nessal

    Nessal Well-Known Member

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    I believe the battery light is to indicate low charging voltage and not low battery voltage. It's usually a sign to check the alternator and the wiring.
     
  5. Jun 1, 2023 at 7:42 PM
    #5
    Genekauaii

    Genekauaii [OP] 01Toyota Tacoma TRD 3.4 supercharger.

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    I don't remember it doing anything differently. . I will look when I start it.
     
    Last edited: Jun 1, 2023
  6. Jun 1, 2023 at 7:46 PM
    #6
    Nessal

    Nessal Well-Known Member

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    When you turn the key, all of the indicators should come on to show you that the bulb is not dead. If it doesn't then you should check the bulb.
     
  7. Jun 1, 2023 at 8:10 PM
    #7
    Dm93

    Dm93 Test Don't Guess

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    The battery light is really the charging system malfunction warning light, if it comes on with the engine running it indicates a problem with the alternator.
    It should come on key on engine off and go out once the engine is started.
    The light has nothing to do with battery condition.

    Have you checked voltage with the engine running? It should be 13-15 volts.
     
    treyus30, OneWheelPeel and whatstcp like this.

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