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battery or alternator?

Discussion in '1st Gen. Tacomas (1995-2004)' started by 2KTacoPr3runn3r, May 10, 2011.

  1. May 10, 2011 at 6:43 PM
    #1
    2KTacoPr3runn3r

    2KTacoPr3runn3r [OP] Well-Known Member

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    so my truck died today. didnt leave the lights on just died while i was in class. got home after someone jumped me and it died again. got it jumped. while i was driving around after i would flip the headlights on and the radio would cut out and then come back on. then i would turn my fog lights on same thing. at one point it almost killed my truck. battery or alternator? on my scangauge it says my battery is running at 13.5 to 14.2 when its on but once it turns off its completely dead
     
  2. May 10, 2011 at 6:50 PM
    #2
    2KTacoPr3runn3r

    2KTacoPr3runn3r [OP] Well-Known Member

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    well im gonna go to autozone and get a battery first cus thats the easiest and cheapest to replace
     
  3. May 10, 2011 at 6:50 PM
    #3
    707tothe907

    707tothe907 Superior Member

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    Check the battery at like a autozone then if it's good check the alternator.
     
  4. May 10, 2011 at 6:51 PM
    #4
    707tothe907

    707tothe907 Superior Member

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    Great minds think alike <3
     
  5. May 10, 2011 at 6:51 PM
    #5
    2KTacoPr3runn3r

    2KTacoPr3runn3r [OP] Well-Known Member

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    okay. im pretty sure its the battery cus it hasnt been replaced in 3 years
     
  6. May 10, 2011 at 6:52 PM
    #6
    devilsalmostfree

    devilsalmostfree Well-Known Member

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    r ur battery post's clean, & r u getting a good connection with ur battery terminals?
     
  7. May 10, 2011 at 6:53 PM
    #7
    707tothe907

    707tothe907 Superior Member

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    Good point. Clean it up with some baking soda and water
     
  8. May 10, 2011 at 6:53 PM
    #8
    2KTacoPr3runn3r

    2KTacoPr3runn3r [OP] Well-Known Member

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    they pretty clean. i mean ive seen worse
     
  9. May 10, 2011 at 6:54 PM
    #9
    smoothguy

    smoothguy Member

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    try the old test take the positive terminal off the batterie while the truck is running if i dies the it's the alternator if it runs then its the batterie.
     
  10. May 10, 2011 at 6:58 PM
    #10
    2KTacoPr3runn3r

    2KTacoPr3runn3r [OP] Well-Known Member

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    black positive red negative right? haha
     
  11. May 10, 2011 at 7:04 PM
    #11
    2KTacoPr3runn3r

    2KTacoPr3runn3r [OP] Well-Known Member

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    nvm red positive black negative
     
  12. May 10, 2011 at 7:17 PM
    #12
    2KTacoPr3runn3r

    2KTacoPr3runn3r [OP] Well-Known Member

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    well i talked to one of my mechanic buddy's and he says it the battery because once the trucks running it says 14.2 volts on my gauge
     
  13. May 10, 2011 at 8:17 PM
    #13
    Digiratus

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    ^^^ Yup. The scangauge is reading voltage output from the alt. Yours being 13.5 to 14.2 is pretty normal.

    Its the Batt.
     
  14. May 10, 2011 at 8:39 PM
    #14
    2KTacoPr3runn3r

    2KTacoPr3runn3r [OP] Well-Known Member

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    fuck. autozone just raped my wallet. 131 dollars on a new battery because they were out of the cheaper ones
     
  15. May 10, 2011 at 8:44 PM
    #15
    LoLux

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    Cant do that anymore, not on modern cars and trucks. It will damage the computer.

    It doesn't seem like the battery has been fully charged. Bring it to the Advance and have them load-test it.
     
  16. May 10, 2011 at 8:45 PM
    #16
    LoLux

    LoLux Member

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    24 group size or 27?
     
  17. May 10, 2011 at 8:56 PM
    #17
    Tacomanator

    Tacomanator Boiling denim and bangin whores

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    I've done it to my truck with no problems...
     
  18. May 10, 2011 at 9:06 PM
    #18
    Monkeysuncle

    Monkeysuncle My Cat's breath Smells like Cat Food

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    I've seen battery cables so bad with corrosion they swell and break through the insulation, so check that also. But my guess battery
     
  19. May 10, 2011 at 9:58 PM
    #19
    2KTacoPr3runn3r

    2KTacoPr3runn3r [OP] Well-Known Member

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    there was very little battery corrosion around the terminals and i cleaned it off and jumped it again let it run for awhile and then turned it off. same thing wouldnt start. so got a new battery. no problems so far running like normal
     
  20. May 10, 2011 at 10:39 PM
    #20
    Tacomanator

    Tacomanator Boiling denim and bangin whores

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    So what kind of battery did you get?
     
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