Rev Counter issues

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  • Billman
    S2Forum Freak
    • Nov 2004
    • 4129
    #1

    Rev Counter issues

    Hi there,

    a friend has an UrS4 1992 model. The rev counter does not work. Car starts and runs and with VAG-Com I can see RPM but not on the dash.

    Any ideas? What is the Route of the RPM signal?
    Go Holset or Go RS4
    Tags: None
    • Billman
      S2Forum Freak
      • Nov 2004
      • 4129
      #2
      anyone
      Go Holset or Go RS4

        Comment

        • Pirvu Eugen
          S2Forum Extremist
          • Apr 2007
          • 1978
          • Country: Romania
          #3
          The cluster...
          Poor contacts at the cluster...the tachometer has 3 pins....check the solder joints and the pins...
          Hope this helps!
          Regards!

            Comment

            • Billman
              S2Forum Freak
              • Nov 2004
              • 4129
              #4
              we used 2 different tachos with no success.
              Go Holset or Go RS4

                Comment

                • Pirvu Eugen
                  S2Forum Extremist
                  • Apr 2007
                  • 1978
                  • Country: Romania
                  #5
                  hmmmm...should be an purple wire comming out from the ecu...that is the rpm signal...
                  is for the tacho and the autocheck.
                  Maibe..that wire is broken somhere...

                    Comment

                    • Tonks4x4
                      Retired OG Mod
                      • Nov 2005
                      • 3062
                      • Country: United Kingdom
                      #6
                      The wire changes colour in the T10 plug from lilac to green/blue
                      Audi Nut!!!

                        Comment

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