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speedometer acting unusual

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  • speedometer acting unusual

    after removing 2 security systems on the typhoon the speedo now bounces from
    0-120 back and forth when the keys on...will not stop until i turn the key off.
    disconnected the drac wires at the drac and still does the same thing...
    everything else works on the truck.
    didn't have this problem until i pulled out the two security systems.
    help is needed please...GT

  • #2
    Re: speedometer acting unusual

    double check your battery connections
    92 TY#1473 blk/blk single turbo ls 411 pcm / 4l80e



    92 ty #1517 wht / silver srp's ,eagles ,pte 51, mild vortecs , 412 comp , 4l80e swapped w/2600 tcs .

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    • #3
      Re: speedometer acting unusual

      Originally posted by berzerker View Post
      double check your battery connections
      X2..

      same thing happen to me, battery poles were coming unscrewed
      92 Ty #1061

      Originally posted by MRKING
      A wise man will step up over low blows , a foolish man will stoop down to meet them head on

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      • #4
        Re: speedometer acting unusual

        will try that....GT

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        • #5
          Re: speedometer acting unusual

          nope....that didn't do it.
          any other ideas???? GT

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          • #6
            Re: speedometer acting unusual

            Check out all the grounds... there's a copy of the wiring supplement here someplace.

            -P
            Paul - Nuffin but a Huffy and a '65 Cobra replica with a 5.0 Coyote.

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            • #7
              Re: speedometer acting unusual

              Originally posted by Throws View Post
              Check out all the grounds... there's a copy of the wiring supplement here someplace.

              -P
              This is the one that you are looking for...

              Mike Campbell

              T3 20psi=12.4 @ 107 stock motor & stock turbo. R.I.P myclone

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              • #8
                Re: speedometer acting unusual

                going to try the service procedures this morning and see how that goes.
                any other ideas please post them up....thanks GT

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                • #9
                  Re: speedometer acting unusual

                  Alarm systems are the devil ... I put them on 3 of my cars and after they sat in storage without me maintaining the system , they ALL gave me wiring problems in the end ---
                  90' ZR-1 Corvette LPE #699
                  01' Dodge Viper GTS
                  06' Jeep Grand Cherokee SRT8
                  03' Harley Edition f-150 #577

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