Weird check gauges/transmission issue

Discussion in 'Chevy Truck Forum' started by jkeaton, Feb 27, 2019.

  1. jkeaton

    jkeaton Full Member

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    Speedometer started swinging and then slowly pegged at 100. Tachometer reads 0 no matter what. Check gauges light flickering and trans won’t shift. I can manually shift between 2 & 3, but it won’t shift on its own and won’t go into OD or first gear (manually) just started this on my way home from work. Transmission rebuilt 2 years ago, only put about 4000 miles on it since. Fluid level is good. Replaced the VSS, no change.Going to pull the cluster next to check the ribbon cable connection. Trans was fine before the gauges started acting up. 1995 K1500. 213,000 miles. Thoughts?
     
  2. Kennyray

    Kennyray Moderator
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    Check your grounds for the cluster.
     
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  3. dirtrider73068

    dirtrider73068 Senior Moderator
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    I was going to say ground as well, and would check all grounds, that you can find and know about.
     
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  4. leolkfrm

    leolkfrm Full Member

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    scanner time
     
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  5. jkeaton

    jkeaton Full Member

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    Narrowed it down to the ignition switch. Will be replacing this weekend.
     
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  6. scavanger

    scavanger Full Member

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    do you know you need a very small torx socket to remove the switch .
     
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  7. jkeaton

    jkeaton Full Member

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    Yes. Thanks. Watched about a dozen you tube videos on it. Does not seem too bad of a job.
     
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  8. scavanger

    scavanger Full Member

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    #8 scavanger, Mar 7, 2019
    Last edited: Mar 8, 2019
    biggest pain with it is feeding the wire.. no biggest pain is the price .
    Be sure the tie the new harness securely . On my 95 I had the tie had stretched to where tilting
    the wheel put stress on the connections to the switch.I believe that is why mine failed. It was
    an intermittent failure to the fuel pump.
    I found a torx screw that fit like a socket, welded a piece of rod to it and had a super cheap socket.
     
  9. gmctrucks

    gmctrucks Full Member

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    Way to go JK I’m sure this is going to help more here.
     
  10. jkeaton

    jkeaton Full Member

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    Haven't had time to replace i yet. I will report back after I do.
     

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