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Speedo Calibration

Discussion in 'The Garage' started by tch777, Nov 10, 2004.

  1. tch777

    tch777 1/2 ton status

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    Okay I have a 91 /forums/images/graemlins/burb.gif. Supposed to be electric speedo right? The guy at the diff shop said he couldn't find the DRAC to calibrate for the 4.56 and 33 inch tires.

    Where is it located and what am I looking for?

    I want to get the speedo correct as I can.

    Thanks
     
  2. 85mudblazin

    85mudblazin 1/2 ton status

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    you will have to change out the speedo gear in the t-case.
     
  3. jac6695

    jac6695 1/2 ton status

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    [ QUOTE ]
    you will have to change out the speedo gear in the t-case.

    [/ QUOTE ]
    You know, you have been giving some people some off the wall answers lately. /forums/images/graemlins/screwy.gif Maybe you should stick to just reading around here. /forums/images/graemlins/rolleyes.gif There is no gear to change on the 90-91 K5. All electronic.


    I am not sure where the DRAC is, but here is a site that explains how to calibrate yourself: DRAC recalibrate . I thought I had another link saved for more information, but can't seem to find it.
     
  4. 85mudblazin

    85mudblazin 1/2 ton status

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    ow sorry I didnt see the electric speedo part, my mistake.
    BTW the only other post I have made that was incorrect was the new wheel on the 14bff thing /forums/images/graemlins/rolleyes.gif
     
  5. B_to_C

    B_to_C 1/2 ton status Author

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    Here is a better site, made by a CK5 member no less! (K5Chris). I just did this on my 90 and super easy to do...if you can handle a soldering iron you can do this yourself....don't pay someone to do it. As it says on the site the DRAC is located behind the lower part of the dash near the steering column in a white box. mine was directly underneath the stereo

    SITE /forums/images/graemlins/thumb.gif
     
  6. tch777

    tch777 1/2 ton status

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    Thanks guys the sites lay it all out so even I think I can do it. This is going to be sweet a Speedo that reads correct! Yes

    And as I read this I could just solder in the correct wire jumpers and do the same thing as the DIP switch, I just couldn't adjust for new tires as easy as the switch.



    Tim
     
  7. Sidepipes

    Sidepipes 1/2 ton status

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    I just installed/ removed jumpers on my DRAC. It works great... but the DIP switch idea is way better!

    It only took me an hour to do too.
     

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