Yj speedo jumping

  • When putting led bulbs in my dash I broke my speedo cable. After replacing it my speedometer constantly fluctuates in a 10mph range. I tried clocking the the gear but I can’t go any further clockwise and if I go counter clockwise speedometer doesnt work at all so I’ve pretty much eliminated the gear. As far as I can tell the cable is connected properly on both ends.


    What I’m getting at is, is this a common problem with the speedometer itself? A used speedo isn’t terribly expensive but I don’t wanna buy one for no reason

  • i have a cable speedo if u need it. There are 4 sets if numbers in the speedo gear holder and a number on the gear. U need to match the number with the range on the holder and point it at the tick mark on the aluminum tail housing. Doing this wring will destroy a gear or guve u an inop speedo.


    Also make sure the cabble is seated properly in the speedo and at the tcase

  • Thanks. I never noticed a number or the gear, or if I did never knew what it was for. I’m 99% sure the gear is in right but I’ll check that in case. If anything isn’t connected properly I bet it’s where the cable connects to the speedometer. I’ll have to do some more investigating

  • You might just need to drop a some 3&1 oil down the cable to lube it up. Check to make sure you don't have a harsh bend in it

    Member since 2000

    Jeeps Owned'79 CJ5:

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    - 258 I6

    - '93 Cherokee fuel injection and HO head,

    - bored 30 over

    - with 4x4 cam

    T18 tranny with granny low / Dana 18 t-case

    Dana 44 front and back from late '70s Wagoneer, both locked and loaded with 4.88 gears

    SOA on modified YJ springs with shackle reversa

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    2015 Grand Cherokee Limited
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    Quadratec Floor mats

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