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Thread: vz speedo stops working

  1. #1
    eaton v8's Avatar
    eaton v8 is offline my little sleeper
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    Default vz speedo stops working

    ok i have a problem with my dash it was working fine and now has this thing it does once you hit a certain speed it stops working and returns to 0 even tho you are still increasing in speed including the digital speedo. so what is causing this to happen i changed the diff to 3.9 and the speedo got recalabrated but that is off the gear box. the rest of the dials work. any one else had this problem. also has anyone else get gremlins turn up when it rains?
    Experience is a hard teacher. First you get the test, then you get the lesson.

  2. #2
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    Default

    I know of another Thunder that does this. Gets to 180(i think it is) and the needle sweeps back to zero and digital readout goes back to zero......but intersteingly,if you are data logging,the speed is carried correctly in the log. The computer knows how fast you are going,but the speedo just drops off.

  3. #3
    eaton v8's Avatar
    eaton v8 is offline my little sleeper
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    vz 6l auto 239cam 3.9diff

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    Default

    ok ill try that out
    Experience is a hard teacher. First you get the test, then you get the lesson.

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