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700R4 electrical

Discussion in 'The Garage' started by POWERMAD, Mar 25, 2003.

  1. POWERMAD

    POWERMAD 1/2 ton status

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    I swapped out a 700R4 for a 350 in an 87 K5.
    There was a plug on the left side of the 700.
    What does all that go to? Will it effect the engine at all.
    I wouldn't think so but ya never know.
     
  2. BowtieGuy3

    BowtieGuy3 Guest

    It's been awhile since I worked on AT-Electrical.....but I do think that harness was for a few things....1)shift points (one going to the Trans, and one relaying info back to the ECU),and, 2) Converter lock-up signal. Don't quote me on this though, I haven't played with one of these in years......
    /forums/images/graemlins/usaflag.gif
     
  3. Okiemuddog

    Okiemuddog 1/2 ton status

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    If if it a little square 4 prong plug, it is the converter lockup signal switch. Basicaly when you step on the brake it tells the TC to unlock so the truck doesn't stall.
    for more info go here>>>>>> 700r4.com
     
  4. POWERMAD

    POWERMAD 1/2 ton status

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    Cool That is what I thought it was.
    Thanx /forums/images/graemlins/thumb.gif
     

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