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Speedo and Tach working intermittently

Discussion in 'International Forum' started by Caboverbrad, Nov 19, 2018.

  1. Nov 19, 2018 #1
    Caboverbrad

    Caboverbrad Bobtail Member

    14
    23
    Jun 12, 2018
    Cropsey, IL
    0
    Hey guys, I’ve had an issue with with the speedo and tach not working. It’s an International 9800 San, 1998 model with an N14 celectplus and a Spicer 10 speed. It has gotten progressively worse since it started. I’m told it is either a ground issue or the cluster is going bad. I’d like some advice from either an owner who has gone thru this before or a mechanic who has fixed this before.
    Thanks,
    Brad
     
    Caboverbrad, Nov 19, 2018
    Caboverbrad, Nov 19, 2018
    #1
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  3. Nov 19, 2018 #2
    Caboverbrad

    Caboverbrad Bobtail Member

    14
    23
    Jun 12, 2018
    Cropsey, IL
    0
    BTW...it’s sba not San, silly auto correct.
     
    Caboverbrad, Nov 19, 2018
    Caboverbrad, Nov 19, 2018
    #2
  4. Nov 19, 2018 #3
    Heavyd

    Heavyd Road Train Member

    7,812
    6,265
    Feb 4, 2009
    0
    If you are only losing those two gauges, I would say it is not a ground issues as that would affect all gauges. The module could be failing, or you could have datalink problems. Swapping out the cluster module with a test unit would be a good way to see.
     
    Heavyd, Nov 19, 2018
    Heavyd, Nov 19, 2018
    #3
    Accidental Trucker Thanks this.
  6. Nov 19, 2018 #5
    Caboverbrad

    Caboverbrad Bobtail Member

    14
    23
    Jun 12, 2018
    Cropsey, IL
    0
    I’ll give this a try.
    Thanks!
     
    Caboverbrad, Nov 19, 2018
    Caboverbrad, Nov 19, 2018
    #5
  8. Dec 6, 2018 #5
    CL10473

    CL10473 Light Load Member

    58
    6
    Jan 19, 2007
    NY
    0
    I believe it's the speed sensor on the transmission. At least that's what it was when my truck was doing that.
     
    CL10473, Dec 6, 2018
    CL10473, Dec 6, 2018
    #5
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