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BWM Brown Wire Mod 3rd Gen

Discussion in 'Modified 2002 - 2005 Explorers' started by P. doggy, September 10, 2007.

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    1. JCUZ

      JCUZ Well-Known Member

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      It's the fatter of the 2 brown wires going into the transfer case.
       
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    3. fordfan401

      fordfan401 New Member

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    4. fordfan401

      fordfan401 New Member

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      If I pull the 4x4 shift motor fuse will that work meanwhile?
       
    5. Limited02

      Limited02 Well-Known Member

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      Yes
       
    6. fordfan401

      fordfan401 New Member

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    7. Explorer0204

      Explorer0204 Active Member

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      Couldn't tell you to be honest...think it is 10. It is TINY though and never an issue. I don't think there is much amperage going through that wire at all.
       
    8. Number4

      Number4 "I'm counting to 3, then I'm getting your dad." Elite Explorer

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      At most, it's a 16awg wire, shouldn't be more than 15 amps.
       
      Last edited: April 13, 2014
    9. Explorer718

      Explorer718 New Member

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      Has anyone done this in a 4th gen?
       
    10. JCUZ

      JCUZ Well-Known Member

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      Well, not in the 3rd section they haven't......:eek:
       
    11. Explorer718

      Explorer718 New Member

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      Unfortunately 4th geners havent heard of it.
       
    12. Number4

      Number4 "I'm counting to 3, then I'm getting your dad." Elite Explorer

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      If 4th gens are all AWD, then the general consensus would be that it can't be done.
       
    13. lkreykes

      lkreykes New Member

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      My buddy's got a 07 XLT 4X4 4.0L with auto 4x4, 4hi, and 4low modes, just like my 05.... Not all wheel drive
       
    14. fordfan401

      fordfan401 New Member

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      It would be awesome if someone posted a picture of the exact wire via photobucket etc... Somehow :)
       
    15. ausdoug62

      ausdoug62 New Member

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      bwc

      G'day guys I'm wondering if the brown wire in the Australian version 03 4.6 would be on the drivers side (right hand drive)?
       
    16. whataboutbob50

      whataboutbob50 New Member

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      Brown Wire Mod on 2004 and 2005

      I don't have pics yet, but you shouldn't need them. The pcm goes through the firewall on that side. There are two and its in the top one, the easiest one to reach! The last 4 inches of the harness where it plugs in is not taped, but has something similar to a velcro wrap, you pull it apart like a ziploc, but is sticky not velcro. The brown wire is the only solid brown in it. I tested with a test light with car running and to groud and positive battery, got weak light and then removed the 20 fuse from #18 , got no light so its the right wire. Then poked a hole in the vacuum line grommet right next to it and ran my wire into the cab from there and up to the dummy switches on passenger side of the radio, takes about 30 minutes all together. Not sure if its like that on the Aussie explorer's, could be just opposite.
       
    17. ausdoug62

      ausdoug62 New Member

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      Thanks for that I'll have a look today and let you know.
       
    18. ausdoug62

      ausdoug62 New Member

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      that's under the bonnet (Hood) you mean don't you on the Australian version that's right behind the fuse box very hard to get to but I'll have a go anyway
       
    19. whataboutbob50

      whataboutbob50 New Member

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      2004 explorer Brown wire location

      Yes, in the engine compartment. On the passenger's side for left hand drive vehicles. The PCM goes through the firewall. It has two wire harnesses plugged into it, one on top the other below it. Its in the one on top, and you just remove the last 4 inches or so of the harness by pulling it apart like a ziploc bag. Then the last part of the harness exposes all the wires and its the brown one, solid brown and a tiny bit bigger than the rest. If you hook a test light to it while running the vehicle and remove the 20 amp 4x4 fuse, #18 , in my fuse panel, then the test light should go off, if so its the right one.
       
    20. scorpo8972

      scorpo8972 Elite Explorer

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      I haven't done this mod but I have disconnected the 4x4 module as it has gone bad. I can tell the difference that it is in 2WD because the rear wheels slip alot(mostly in rain) than before I disconnected. I also heard somewhere that 4x4 auto is essentially 75% power to the rears and 25% to the front. With disconnected the tc can't engage the front shaft. I remember that when I had the module in I never had wheel slippage even in rain because power was going to fronts as wheel. But with this mod will I lose my 4x4 all together? Because Canadian winters can be brutal and I would love 4x4 for winter and 2wd in summer. BTW with this module disconnected I have seen increases in MPG. Currently my truck has CAI and I only go to 2K RPM between shifts. Before module disconnect: 13.5/19.8 city/hwy after module disconnect 14.7/21.3. Also to note these are for summer weather AT AROUND 25-35C temperatures. The hotter the weather and the lower the rpms the better economy you get.

      I hope after a couple other mods that I will achieve 20 mpg city. Even 16 city I would be fine with.
       
    21. tybogit

      tybogit New Member

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      How do you disable traction control? I want to do this bwm. But I wanna em to to both spin in the back
       
    22. lkreykes

      lkreykes New Member

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      If you have advance trac, you have to push the button once and THEN push and hold it until the "OFF" light blinks. If no advance trac then just pushing the button should disable it
       
    23. College Student

      College Student Well-Known Member

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      Unless you have a locker of some sort or a limited slip then you will get a nice one wheel spin.
       
    24. tybogit

      tybogit New Member

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      Not sure what you mean by advance Trac but I dont have a tc button.. I have an 04 xlt 4.0L
       
    25. lkreykes

      lkreykes New Member

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      The button should be between the two cup holders up front. Advance trac is just ford's name for their stability control
       
    26. tybogit

      tybogit New Member

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      No such button :( any ideas on how to get into Harness and disable? If at all possible..
       
      Last edited: October 23, 2014

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