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Speedo & tach drop to zero

Discussion in 'Technical Chat' started by jimaple2, Mar 23, 2009.

  1. Mar 23, 2009 at 9:36 PM
    #1
    jimaple2

    jimaple2 [OP] New Member

    Joined:
    Mar 23, 2009
    Member:
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    Gender:
    Male
    Colorado
    Vehicle:
    2000 SR5 TRD
    I have a 2000 TRD that has had this problem since I bought it new. It has increased in frequency and duration over the years. Now nearing 100k. Only one other person has actually seen it, but she is not a mechanic. lol. I'll be driving along, when all of the sudden, the tach and speedo drop to zero, the odometer display goes out as does the cruise control. Fuel & Temp guages are not affected. Then they just come back on, sometime in a few minutes, other times after several days. The check engine light comes on (sometimes), but then goes off. Never had a chance to get it read. Every time I had a mechanic look at it, it wasn't happening. They think I'm crazy. Anybody else seen/heard of this? Thanks!
     
  2. Mar 24, 2009 at 6:53 PM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

    Joined:
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    FlimFlubberJAM
    Tenoe, AZ
    Vehicle:
    2013 Rubicon Unlimited,
    4.10 gears, sliders, and lots of buttons.
    Check out the speed sensor connection under the truck. Make sure there is no broken wires.
     
  3. Mar 24, 2009 at 6:53 PM
    #3
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

    Joined:
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    FlimFlubberJAM
    Tenoe, AZ
    Vehicle:
    2013 Rubicon Unlimited,
    4.10 gears, sliders, and lots of buttons.
    And Welcome to TW!! :)
     
  4. Mar 27, 2009 at 6:47 AM
    #4
    blkcoma32

    blkcoma32 Well-Known Member

    Joined:
    Feb 6, 2009
    Member:
    #13359
    Messages:
    260
    Gender:
    Male
    Illinois
    Vehicle:
    98' 4x4 on tirty trees
    3 inch coilover and add-a leaf lift
    i have the exact same problem, the code is the speed sensor but i don't know where it is. I'm hoping its a loose wire because the new speed sensors are pretty expensive.
     
  5. Mar 27, 2009 at 2:25 PM
    #5
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

    Joined:
    May 8, 2008
    Member:
    #6497
    Messages:
    104,117
    Gender:
    Male
    First Name:
    FlimFlubberJAM
    Tenoe, AZ
    Vehicle:
    2013 Rubicon Unlimited,
    4.10 gears, sliders, and lots of buttons.
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