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96 T800 Gauge Questions

Discussion in 'Kenworth Forum' started by durallymax, Dec 9, 2011.

  1. Dec 9, 2011 #1
    durallymax

    durallymax Medium Load Member

    318
    97
    Jan 30, 2011
    0
    It appears onour 96 T800 that the front and rear differential as well as transmission temperature gauges may be inoperable, or it could be due to the limited road time the truck sees, maybe they dont get up to temperature. The transmission sits running a pto all day so I thought maybe it might be the gauges. Anybody have the values of what i should be checking with the multimeter.

    Also the speedometer is jumpy and sticky especially under 50mph, it wont go above 30 until you doing 45 then it jumps. and then hesitate sto go below 40 until your doing 20. All of these speeds are approximate as I dont know if the gauge is ever reading right. What should I be checking here? Thank you.
     
    durallymax, Dec 9, 2011
    durallymax, Dec 9, 2011
    #1
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  3. May 10, 2012 #2
    itchygomey

    itchygomey Bobtail Member

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    Mar 12, 2012
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    on the diffs: take the two wires on the diff and short them to each other. The guage should peg out. If it does, the wiring and the guage are ok. Connect the wires to the diffs. If it doesn't work it may have a faulty sensor. Usually these and the tranny don't work because they became disconnected.

    Speedometer: I would start with the pickup on the side of the tranny.
     
    itchygomey, May 10, 2012
    itchygomey, May 10, 2012
    #2
    KW Parts Guy and rollin coal Thank this.
  4. May 29, 2012 #3
    logtrucker25

    logtrucker25 Light Load Member

    70
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    Jul 27, 2009
    northern CA
    0
    You ever figure out what was wrong with your speedo? I have the same problem in a 97 T800. The cruise works fine so I dont think its the pickup. Maybe its the speedometer itself??
     
    logtrucker25, May 29, 2012
    logtrucker25, May 29, 2012
    #3
  5. May 30, 2012 #4
    durallymax

    durallymax Medium Load Member

    318
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    Jan 30, 2011
    0
    No never.found anything out there. Haven't really looked into it much.
     
    durallymax, May 30, 2012
    durallymax, May 30, 2012
    #4
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