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Erratic speedo

Discussion in '"Stock" Alpine' started by jmahall, May 9, 2022.

  1. jmahall

    jmahall Silver Level Sponsor

    The speedo is jumping around and it's not the cable. Odo and trip meters seem fine. Any ideas as to lubing the innards?
  2. hartmandm

    hartmandm Moderator Platinum Level Sponsor

  3. jmahall

    jmahall Silver Level Sponsor

    Got it, thanks Mike
  4. Tom H

    Tom H Platinum Level Sponsor

    How do you know it's not the cable? - Because the Odometer and trip meters are fine?? If the cable has too tight bends and /or poorly lubed, it will bind a bit and then jump forward and cause the needle to jump.

  5. Scotty

    Scotty Donation Time

    Sounds like the cable imo. I had an issue with mine where it would do nothing until I hit 20MPH and then would jump like crazy as if gained or lost speed. Changed the cable and now it behaves. The cable needs to naturally curve or you'll have trouble with it.
  6. alpine_64

    alpine_64 Donation Time

    Either cable binding as others suggest.. Or..
    The peg that goes into the speedo head is rounded and slipping.. Can use some teflon tape to wrap it and make it a tight fit.
    Scotty likes this.
  7. jmahall

    jmahall Silver Level Sponsor

    It wasn't the cable, I found a spare that worked and with a little Peter borrowing from Paul, got one with the original face, dial and indicator lights working just fine. I did look up the info on mhartman.net and worked over the original but in the end it didn't jump but wasn't reading correctly.
    Scotty likes this.

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