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Tachometer is not working

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    #1

    Tachometer is not working

    Hey guys. I recently bought a 90 lx with 95xxx on it. Love the car so far, this is my dd right now. The guy who I bought it from claimed it has a new clutch so i assume that who ever did the clutch job didn't connect the tach back on. I have searched and remember a lot of people said theres a plug with a blue wire but i couldn't find it anywhere. My tach doesn't work at all. Its not jumping up and down, it stays stopped. Is there a connection behind the instrument cluster?
    Tags: None
    #2
    it has nothing to do with the clutch job. If your ECU was not getting a RPM reading it would not start.

    Is there a check engine light? If so check the blue wire from the distributor to the ECU. if there is no check engine light you need to check the connection from where the RPM signal splices into two... half to the ECU the other half to the cluster. If that checks good then your cluster is broken. If its bad you need to fix the wiring between the ecu/splice and the cluster. simple as that

    My Wiretuck/ Insane engine bay
    member ride thread
    11.86@120mph T66 turbo 612hp F22A
    DIVULGE MOTORSPORTS
    People can hate all they want, my f22 is faster than yours.
    I have literally been on this site for 10 years, I know what i am talking about!
    John 10:18 "No one takes it from me, but I lay it down of my own accord. I have authority to lay it down and authority to take it up again. "

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      #3
      No CEL here. Car starts and drive great. Anyways, i'd do what you've said again tom when there's day light. Hopefully its something small and i don't have to replace my cluster. I don't think i can find any used cluster with 95xxx around here or withn 10000 miles of my cluster.

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        #4
        Originally posted by akito View Post
        No CEL here. Car starts and drive great. Anyways, i'd do what you've said again tom when there's day light. Hopefully its something small and i don't have to replace my cluster. I don't think i can find any used cluster with 95xxx around here or withn 10000 miles of my cluster.
        Just get a used cluster and swap the tach out of it. U don't need the rest of it so u can keep ur cluster with ur mileage. Or u could get a used cluster and just roll back the mileage on it. Not too hard, done it many times.

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          #5
          verify the wiring before you jump to a cluster issue.

          My Wiretuck/ Insane engine bay
          member ride thread
          11.86@120mph T66 turbo 612hp F22A
          DIVULGE MOTORSPORTS
          People can hate all they want, my f22 is faster than yours.
          I have literally been on this site for 10 years, I know what i am talking about!
          John 10:18 "No one takes it from me, but I lay it down of my own accord. I have authority to lay it down and authority to take it up again. "

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