Speedometer

Discussion in 'Gen 1 & 2 - Electronics & Audio' started by Wolfie, Jan 23, 2021.

  1. Wolfie

    Wolfie New Member

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    Hello everybody. My speedometer has been acting up recently. On the highway it jumped from 70 to 100 to 80 in like a second or two. Does anybody know what the issue could be?
     
  2. zoomlater

    zoomlater SHO Member Supporting Member

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    The speedometer cable maybe binding and needs lubrication, try doing a search for speedometer cable
     
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  3. yaycandy

    yaycandy The Slack Jawed Yokel

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    They are funny when they start to wear out. Once it breaks the mileage will stay low. Trick i do on my classic cars, run with it unplugged. Keeps miles low lol
     
  4. Irish Pride

    Irish Pride Irish Inside Staff Member Super Moderators

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    Disconnect the speedo cable from the back of the cluster and spray silicone lubricant down into the cable. That will smooth it out and it will perform flawless. I've used silicone on all my speedo cables for the last 10 years or so.

    -Chad
     
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  5. zoomlater

    zoomlater SHO Member Supporting Member

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    There is an upper and lower speedo cable. At the split, I think you would be able to get lubricant into the lower end of the upper cable and then lift it up so it flow back towards the cluster. The only time I had to access the upper cable and disconnect it from the cluster is when it failed.
     
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