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I dunno what to do and need all help can get from you guys.
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Car went for rebuild came back and speedo needle was bouncing about up and down frantically.
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so i read up went to local scrappers and got an st205 celica speedo sender from the gearbox and the plug from the loom which connects onto it.
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I removed my sender and joined the st205 plug to my loom.
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I went to other end speedo clocks and had a tinker in behind them removing delimter
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I then bought a 2nd set of clocks which werent right model i later found out rev 2
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When clocks were out i took speedo clock out of the speedo pod and replaced it again, the needle may have been touched slightly or moved
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![Embarassed :oops:](./images/smilies/icon_redface.gif)
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now the needle jumps to 50mph when the car ignition is turned and sitting at idle and doesnt move.
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the ecu is receiving error as engine management light comes on after a short while of driving.
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where do i begin to rectify this problem all help needed.
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is the needle jumping to 50mph because needle has been moved?