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Speedo completly dead and o/d flashes

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  • Speedo completly dead and o/d flashes

    I steamed the carpets today and upon driving the truck, the o/d light flashes and the speedo is as dead as a dodo

    Do i need a new speedo? Ir gearbox sensor??

    If speedo, how can i adjust the mileage to get the right mileage..?

    Also, the speedo ive found has a sticker on, so no need to have the black gizmo box i have can i simply cut it out?

    Sorry for the list of questions

  • #2
    Ps speedo previously stopped if it rained over night

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    • #3
      Anyone?

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      • #4
        Check your plugs on the side of the gearbox
        http://www.hiluxsurf.co.uk/showthread.php?t=80260

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        • #5
          Checked all visable plugs (3 one side and 2 the other IIRC)
          All pluged in but wiggled all

          Still no joy. Ive ordered a new speedo anyway whichll arrive tomorow

          Can anyone answer my question with relation to the black box thing?

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          • #6
            Sounds like the speedo.
            Same symptoms I had, no speedo reading and the o/d light flashing
            Got a 2nd hand speedo off eBay with roughly the same mileage and it solved the problem.
            The odometer reading can be changed but never got round to it
            ALL THE GEAR!............no idea!

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            • #7
              **update?**

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              • #8
                Originally posted by BUSHWHACKER View Post
                **update?**


                Been going through my posts..?

                Anyway new speedo cured it

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                • #9
                  a new speedo hey.... ?
                  mine has had the o/d light flashing for 2yrs but very VERY rarely has the speedo dropped (and when it does its only for 1-2 seconds) maybe this will fix it as my auto-elec cant...

                  on another note however, my add system is playing up and when i disconnect all the vacuum lines then plug them in again the o/d stops flashing for a few minutes...

                  weird no?
                  4yrs and 2 surfs later...

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                  • #10
                    SPEED SENSOR !!!!
                    Don't go replacing the speedo just yet!
                    Get the speed sensor part number from toyota (there are two types), then get one off eBay - about £40. It's a simple affair to remove it from the back of the transfer box, change the cog and bolt it back in.
                    Symptom of failed sensor include:
                    Lack of top gear or drops out
                    Poor gear changing - holding on to gears
                    O/D light flashing
                    Speedo reads 0.
                    You may or may not get all these at the same time and some can be intermittent.
                    Last edited by ajstars; 9 May 2014, 09:39.

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                    • #11
                      Originally posted by Jameswallace View Post
                      Been going through my posts..?

                      Anyway new speedo cured it
                      Paranoid?

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                      • #12
                        Originally posted by BUSHWHACKER View Post
                        Paranoid?

                        Very!

                        But

                        Im back again

                        Bought my old truck back

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