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4LO-Trac & ABS Kill Switch - Why/Why Not?

Discussion in 'Technical Chat' started by Benson X, Jan 10, 2013.

Page 15 of 21
  1. Jan 13, 2016 at 4:06 PM
    #281
    imageomega

    #281
    imageomega Well-Known Member

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    You've got me stumped. Time for the voltage meter.

    Does the abs light come on when you first turn on the truck? Could be that the indicator light is dead.
     
    imageomega, Jan 13, 2016
    #281
  2. Jan 13, 2016 at 9:40 PM
    #282
    pudge151

    #282
    pudge151 Well-Known Member

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    Yeah it does turn on and then quickly off when I start the truck
     
    pudge151, Jan 13, 2016
    #282
  3. Jan 16, 2016 at 6:18 PM
    #283
    303tacoma

    #283
    303tacoma Bad Karma is a Bitch

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    My 08 sport was done today used the caveman method and grounded worked perfect. Both abs light and rear locker light come on when switch is enabled
     
    303tacoma, Jan 16, 2016
    #283
    pudge151 likes this.
  4. Jan 16, 2016 at 6:23 PM
    #284
    pudge151

    #284
    pudge151 Well-Known Member

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    Back to the drawing board I guess
     
    pudge151, Jan 16, 2016
    #284
  5. Jan 16, 2016 at 6:58 PM
    #285
    303tacoma

    #285
    303tacoma Bad Karma is a Bitch

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    303tacoma, Jan 16, 2016
    #285
  6. Jan 16, 2016 at 7:37 PM
    #286
    pudge151

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    pudge151 Well-Known Member

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    Sounds good man. I'll try it. Did you by chance notice if the abs light came on when the wore was cut before you hooked up the switch? Or would you be willing to disconnect the switch and see if the light comes on? In my case the light never came on
     
    pudge151, Jan 16, 2016
    #286
  7. Jan 16, 2016 at 7:45 PM
    #287
    303tacoma

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    303tacoma Bad Karma is a Bitch

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    No I didn't notice the truck wasn't started until we were done hooking the switch up, and the wires are soldered to the switch so i really don't want to unhook it. Try hooking up a switch and grounding and then start the truck.
     
    303tacoma, Jan 16, 2016
    #287
  8. Jan 16, 2016 at 7:46 PM
    #288
    pudge151

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    pudge151 Well-Known Member

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    Will do. Thanks
     
    pudge151, Jan 16, 2016
    #288
  9. Jan 16, 2016 at 7:48 PM
    #289
    303tacoma

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    303tacoma Bad Karma is a Bitch

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    Sure ground hereimage.jpg
     
    303tacoma, Jan 16, 2016
    #289
  10. Jan 20, 2016 at 10:11 PM
    #290
    Sterling_vH111

    #290
    Sterling_vH111 Go do something real instead.

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    I am wanting to try the ABS mod on my Trd sport 2wd prerunner, just to conform will this work on my truck even though I am not 4wd? And would it disable my vsc and trac (auto lsd) as well? Or would those be still functioning? Thanks! I'm a bit confused as to what all the ABS mod effects.
     
    Sterling_vH111, Jan 20, 2016
    #290
  11. Jan 21, 2016 at 3:13 PM
    #291
    imageomega

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    imageomega Well-Known Member

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    I dont know if the wiring is the same on a 2wd prerunner, though I would assume so...

    Regarding what it affects; Disabling ABS will effectively disable VSC and Trac/LSD. The Tacoma LSD is an open-diff, brake assisted LSD, so turning off ABS functionality means this goes offline with it (I think its 07/08 when they switched from a mechanical LSD but I dont remember exactly). Similar with VSC; it uses ABS as its primary mechanism to stabilize, so no ABS = no VSC.
     
    imageomega, Jan 21, 2016
    #291
  12. Jan 21, 2016 at 3:15 PM
    #292
    imageomega

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    imageomega Well-Known Member

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    @pudge151 Any news on your situation? No new ideas out of me, but curious if you've learned anything while diagnosing.
     
    imageomega, Jan 21, 2016
    #292
  13. Feb 17, 2016 at 9:01 PM
    #293
    Smar969905

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    Smar969905 ToyotaLover

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    Watching this for later when wife isn't out in truck and I have time to play
     
    Smar969905, Feb 17, 2016
    #293
  14. May 18, 2016 at 2:45 AM
    #294
    Blackouts

    #294
    Blackouts Well-Known Member

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    I'll be doing this later when I get a nice oem looking switch etched for it.
     
    Blackouts, May 18, 2016
    #294
  15. Aug 1, 2016 at 2:06 PM
    #295
    DrFunker

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    DrFunker Well-Known Member

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    Anyone do this mod on a 2015 Sport yet?
     
    DrFunker, Aug 1, 2016
    #295
  16. Aug 1, 2016 at 4:13 PM
    #296
    Ridgeline001

    #296
    Ridgeline001 Well-Known Member

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    Mine is a 14 sport and I did the mod.
     
    Ridgeline001, Aug 1, 2016
    #296
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  17. Aug 1, 2016 at 6:49 PM
    #297
    DrFunker

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    DrFunker Well-Known Member

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    Thanks @Ridgeline001
    Is it as straightforward as it sounds? Cut the green wire, install switch.
     
    DrFunker, Aug 1, 2016
    #297
  18. Aug 1, 2016 at 8:10 PM
    #298
    Ridgeline001

    #298
    Ridgeline001 Well-Known Member

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    It was that simple. Kinda a pain in the ass for getting under the dash with broad shoulders but the write up is spot on. And well worth it in my opinion.
     
    Ridgeline001, Aug 1, 2016
    #298
    DrFunker[QUOTED] likes this.
  19. Aug 2, 2016 at 3:27 AM
    #299
    DrFunker

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    DrFunker Well-Known Member

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    Good to hear.
    @Unchained 5150 @Tractorman

    This is the one!
    [​IMG]
     
    DrFunker, Aug 2, 2016
    #299
    Unchained 5150 likes this.
  20. Aug 2, 2016 at 4:29 AM
    #300
    Unchained 5150

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    Unchained 5150 Rick

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    Unchained 5150, Aug 2, 2016
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