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ABS disable mod for 05+ Tacomas w/o VSC & locking diff write up *pics*

Discussion in '2nd Gen. Tacomas (2005-2015)' started by rodstone, Feb 26, 2010.

  1. Feb 18, 2012 at 10:02 AM
    #81
    OZ-T

    OZ-T You chose ... wisely

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    Awesome .

    I wondered if the wire actually comes up to the location where the switch would be similar to other situations where the wiring is there behind blanks for switches that don't apply to the particular truck configuration .
     
  2. Feb 18, 2012 at 11:02 AM
    #82
    george3

    george3 Well-Known Member

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    Dear Awesome. Waiting til I can just buy a switch - plug and play.:woot::woot:
     
  3. Feb 18, 2012 at 7:49 PM
    #83
    landphil

    landphil Wishin' I was Fishin'

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    That is one heck of a good thought, I'm eagerly awaiting this info as well, and am glad I've procrastinated long enough to not do the rodstone mod yet, as good as it is.

    Oh, to have the circuit diagrams.
     
  4. Feb 19, 2012 at 4:09 PM
    #84
    fritzthecat

    fritzthecat Well-Known Member

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    Looking at the wiring diagram and the not shown *2 Note (*1 is with Locker, *2 is without Locker), the Blue/yellow L-Y wire is only there if a locker is installed. The LiteGreen LG wire is on the plug if no locker wiring is installed. So on my Sport Prerunner, I would cut the LG wire and run it through a switch to disable the ABS. Essentially, I could install the switch anywhere between 1D(9) and EXI3 on the ABS ECU.
    As long as the volts from IG1 #2 are stopped from going to the ABS ECU, the ABS is disabled.
    Right?

    Fritz
     
  5. Feb 19, 2012 at 4:21 PM
    #85
    landphil

    landphil Wishin' I was Fishin'

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    I think you might be onto something, I assume you have the diagram with the notes? If so, I would think you are correct. The diagram shown here makes much more sense with that additional info.
     
  6. Feb 19, 2012 at 4:45 PM
    #86
    KenpachiZaraki

    KenpachiZaraki Its Wicked Flow BITCHES!!

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    I freaking Derp'd when you starting talking aboot teh wires exi3 1d9 to the ecu flux capacitor at ig1.21 jigga wuts!! :eek:
     
  7. Feb 20, 2012 at 8:55 PM
    #87
    fritzthecat

    fritzthecat Well-Known Member

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    Hey, there is a pic on post #83.

    Note that my 2006 wiring diagram has different pin numbers in the plugs following IB1 for this wire. Also on the ABS ECU it goes into pin 7 (EXI2) if you only have ABS without the TRAC/VSC stuff. It still goes into pin 28 (EXI3) with all the TRAC/VSC installed.

    Fritz
     
  8. Feb 20, 2012 at 10:41 PM
    #88
    Sandman614

    Sandman614 Snarky TWSS elf, Travis #hotsavannahdotcom, LRGRNR

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    I've looked over the wiring diagrams and will check it out in my truck tomorrow. I don't want to run 10 ft of wire and splice things if i don't need to.
     
  9. Feb 20, 2012 at 10:42 PM
    #89
    OZ-T

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    Cool , thanks
     
  10. Feb 21, 2012 at 6:40 AM
    #90
    Sandman614

    Sandman614 Snarky TWSS elf, Travis #hotsavannahdotcom, LRGRNR

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    I need a paperclip.

    Edit: wrong thread ....
     
  11. Feb 21, 2012 at 8:52 AM
    #91
    Sandman614

    Sandman614 Snarky TWSS elf, Travis #hotsavannahdotcom, LRGRNR

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    Just installing/wiring up a factory swith will not work.. :mad: the factory switch runs has a lt green wire and a red/black wire.
     
  12. Feb 21, 2012 at 9:00 AM
    #92
    OZ-T

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    Where is the closest location to run a jumper from ?
     
  13. Feb 21, 2012 at 10:39 AM
    #93
    BRYLONATOR

    BRYLONATOR Building 06 Suburban K2500 with LBZ D-max and ZF6!

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    My switch is in.....I will have it installed within 2 hours and I will update with my phone as I really would love to have this figured out! Regardless of how it will work, I wanted the switch to use for the original mod. This switch as well as the fog switch are the only 2 factory switches that work like a toggle so I am still going to disable the ABS it is just a matter of how it gets accomplished. Just noticed I wrote switch a bunch of times!
     
  14. Feb 21, 2012 at 1:06 PM
    #94
    Sandman614

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    IB1, driverside kick panel. If i recall without rereading things.
     
  15. Feb 21, 2012 at 1:08 PM
    #95
    Sandman614

    Sandman614 Snarky TWSS elf, Travis #hotsavannahdotcom, LRGRNR

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    Switchey switch. :D
    Yea im gonna use a carling switch with a diff locker cover for mine. Kinda make it less obvious for insurance purposes. :spy:
     
  16. Feb 21, 2012 at 3:30 PM
    #96
    BRYLONATOR

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    Well.... I kind of got hosed. Kind of! I ordered the correct switch but the wrong one came in. What does an auto LSD switch do? What taco did these come on? Anyways the new switch will be here Thursday. Now on a more positive note....I scored a brand new pair of OEM smoked headlights for only $200!!!
     
  17. Feb 22, 2012 at 2:10 PM
    #97
    Sandman614

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    To elaborate further now that my internet is back.

    Just putting in a factory Diff switch or wiring up an aftermarket switch to the factory wiring behind the dash did not work for me.
    The thought was that if the 4wd and skid ecus thought you were turning on the diff the ABS would be disabled, the diff lock indicator on the dash would light up. Well I guess the 4wd ecu is smart enough to know that the diff lock is not present.

    IB1 on the driver kick panel is where people are tying in to the wiring.
    ABSdiagram3_7e0fabb7de282f894361171315415f55d7450433.jpg
    ABSdiagram2_2a7370c96256312ac28a849627e8e4136be2bbfd.jpg

    This wire is between the 4wd and the skid ecu.
    ABSdiagram1_ca59c948726eb127bc77ef59b6093d98f707e923.jpg
     
  18. Feb 22, 2012 at 5:46 PM
    #98
    landphil

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    Nice! Seeing both diagrams makes it easy peasy in theory, now any tips for locating IB1 in the drivers kick panel?

    The dash switch does not provide the diff locked signal to the ecu alone, its the "transfer indicator" switch T13 (if i'm reading it right, its a bit blurry) just to the lower left of IB1 in the last diagram. It grounds out the 12V signal from the 4wd ecu to disable the ABS and illuminate ths diff lock indicator led in the dash. On non-diff lock trucks, this 12V signal comes from the IG1 10A fuse, so the circuit must be opened with a switch, rather than grounding it.
     
  19. Feb 22, 2012 at 10:17 PM
    #99
    Sandman614

    Sandman614 Snarky TWSS elf, Travis #hotsavannahdotcom, LRGRNR

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    Here you go.
     
  20. Feb 23, 2012 at 6:35 AM
    #100
    T-Rex266

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