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  • Instrument cluster schematic

    I'm attempting to make a bench tester to power up the S2 instrument cluster. I've been searching half the day, here and S2 Central but can't find what I need. Some of the links are broken or dead end
    I have got hold of three good connector plugs, yellow, blue and white that fit the cluster. I just need to know which wires to connect to 12v and which to negative. I'm not trying to activate Speedo or revs, just power up lights, autocheck and mfa. Anyone help
    Nothelle S2 Avant
    Wr Ur Quattro in restoration
    S2 Coupe getting a tidy up

  • #2



    Sent from my iPhone using Tapatalk
    Nothelle S2 Avant
    Wr Ur Quattro in restoration
    S2 Coupe getting a tidy up

    Comment


    • #3
      Great idea hope you sort it such a pita swapping clocks in n out to see if things work

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      • #4
        Have a look at the 3B instrument diags on S2 Central. You’ll need a Babelfish though

        S2 Coupe 3B Project


        Ur quattro restoration

        S2 Avant

        Boost is the new rock and roll!
        sigpic

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        • #5
          Actually the ABY Avant diags are there but not so easy to navigate to

          S2 Coupe 3B Project


          Ur quattro restoration

          S2 Avant

          Boost is the new rock and roll!
          sigpic

          Comment


          • #6
            http://www.s2central.com/S2_Schematics/S2_Avant.html

            S2 Coupe 3B Project


            Ur quattro restoration

            S2 Avant

            Boost is the new rock and roll!
            sigpic

            Comment


            • #7
              http://www.s2central.com/S2_Schematics/S2_Coupe.html

              S2 Coupe 3B Project


              Ur quattro restoration

              S2 Avant

              Boost is the new rock and roll!
              sigpic

              Comment


              • #8
                I have a pdf file which I downloaded from erwin a long time ago for my aby avant. It contains pinouts for the blue and yellow connectors. I know it's not complete but it could be a little help

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                • #9
                  Thanks John.
                  Yes please Antsa. I will send you a pm
                  Nothelle S2 Avant
                  Wr Ur Quattro in restoration
                  S2 Coupe getting a tidy up

                  Comment


                  • #10
                    This may help - http://s2-audi.co.uk/tech_articles/instruments.htm
                    Mike

                    http://www.s2-audi.co.uk

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                    • #11
                      Most helpful.

                      Confused why the heated rear window and a couple of other things go to the dash, but there we are

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                      • #12
                        Originally posted by Mikes2 View Post
                        Brilliant
                        Nothelle S2 Avant
                        Wr Ur Quattro in restoration
                        S2 Coupe getting a tidy up

                        Comment


                        • #13
                          The pinouts for the blue and yellow connectors are in Bentley in the Electrical Systems - Instruments section.

                          They broadly agree with those listed in the link. :http://s2-audi.co.uk/tech_articles/instruments.htm

                          but Bentley lists:-

                          T26 pin 24 as the negative connection to the oil pressure warning light (so not a +ve supply)

                          T26a pin 24 as -ve connection to engine control indicator light
                          T26a pin 25 as -ve connection to seat belt warning light
                          T26a pin 26 as +ve connection to seat belt warning light

                          (T26 is the yellow connector, T26a is the blue connector)
                          Last edited by johne; 8 November 2021, 10:27.

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                          • #14
                            Originally posted by johne View Post
                            The pinouts for the blue and yellow connectors are in Bentley in the Electrical Systems - Instruments section.
                            Thanks John. I got that from Antsa
                            Nothelle S2 Avant
                            Wr Ur Quattro in restoration
                            S2 Coupe getting a tidy up

                            Comment


                            • #15
                              Originally posted by Antsa View Post
                              I have a pdf file which I downloaded from erwin a long time ago for my aby avant. It contains pinouts for the blue and yellow connectors. I know it's not complete but it could be a little help
                              Is this pdf available as a download ?

                              Comment

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