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Silly question, but I gotta ask

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Bluegrass Taco, Jan 29, 2016.

  1. Jan 29, 2016 at 7:22 AM
    #21
    NeedmoreTaco

    NeedmoreTaco Garage full of white Toys...

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    Eric
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    LEDs and stuff
    Good idea, once the smoked out you can't put it back. Had an electrical engineering professor tell us that in lab once. "Don't let the smoke out." I thought he was crazy then.
     
  2. Jan 29, 2016 at 7:25 AM
    #22
    Bluegrass Taco

    Bluegrass Taco [OP] Politically incorrect low tech redneck

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    Bill
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    And there's NOTHING more exciting than standing there with your hands on electrical wiring of any nature when you re-invent the self propelled arc welder.......

    Key in off position. Then proceed.
     
  3. Jan 29, 2016 at 7:53 AM
    #23
    PackCon

    PackCon Well-Known Member

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    My shop will change it with the truck on. That's all I know.
    In fact a lot of mechanics I know have suggested that.

    But I'm not a physicist. I hated that part of physics class.
     
  4. Jan 29, 2016 at 8:47 AM
    #24
    Jimmyh

    Jimmyh Well-Known Member

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    Modern electronics doesn't like that method. The battery acts as a buffer for surges etc. It could cause serious damage. You could do it 1000 times and have nothing happen, but then there is that one that blew up the main ECU...

    Then your shop is doing it wrong. And a those mechanics are not very bright.
     
    Last edited: Jan 29, 2016
    NeedmoreTaco likes this.
  5. Jan 29, 2016 at 12:13 PM
    #25
    steelhd

    steelhd Well-Known Member

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    shakerhood likes this.
  6. Jan 29, 2016 at 4:56 PM
    #26
    maineah

    maineah Well-Known Member

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    Change your batter with the truck running and you run a real good risk of replacing a lot more than just the battery.
     
    Jimmyh likes this.
  7. Jan 29, 2016 at 5:05 PM
    #27
    maineah

    maineah Well-Known Member

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    The little cigarette lighter ones won't do you much good because the key has to be on and the draw will kill the 9 volt battery backup. One for the OBD will work because it's all ways on or jumper cables on the battery cables. And yeah if some one else is buying replace it my 2011 made it about 4 years.
     
  8. Jan 29, 2016 at 5:55 PM
    #28
    Toy4me

    Toy4me Well-Known Member

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    If you have a jumper box - you already have one of those cool plug in things. I just hooked my jumper box to my cables after loosening the clamps and left the hooked up while I swapped the battery. Everything saved:thumbsup:.
     

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