tachometer wire colour?

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  • osha
    S2Forum Tinkerer
    • Jun 2011
    • 3
    • Country: Latvia
    #1

    tachometer wire colour?

    Hello, can anyone tell me in what color are wire for tachometer?
    i replaced my 7A engine with KG turbo engine and i cant figure out witch wire is for tachometer..
    Tags: None
    • Pirvu Eugen
      S2Forum Extremist
      • Apr 2007
      • 1978
      • Country: Romania
      #2
      purple....

        Comment

        • osha
          S2Forum Tinkerer
          • Jun 2011
          • 3
          • Country: Latvia
          #3
          purple - black comes from KG`s ECU, but what color wire in panel is for tacho?

            Comment

            • S2central.net
              Retired OG Mod
              • Jul 2003
              • 16590
              • Country: Northern Ireland
              #4
              When rpm signal gets to cluster it is a green/blue wire - look for it on pin 22 of the YELLOW 26-pin plug in the cluster
              Paul Nugent
              Webmaster http://S2central.net
              Administrator http://S2forum.com

              1994 S2 Coupe ABY - aka Project Lazarus
              2001 A6 allroad 2.5TDi - family tank
              2003 S4 Avant 4.2 V8 - daily burble

              Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)

              There are only 10 kinds of people that understand binary - those that do, and those that don't

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                • osha
                  S2Forum Tinkerer
                  • Jun 2011
                  • 3
                  • Country: Latvia
                  #5
                  already tried that, but it didn`t work. maybe the violet-black isn`t right wire from KG ECU?

                    Comment

                    • S2central.net
                      Retired OG Mod
                      • Jul 2003
                      • 16590
                      • Country: Northern Ireland
                      #6
                      Wtf is KG engine ?
                      Paul Nugent
                      Webmaster http://S2central.net
                      Administrator http://S2forum.com

                      1994 S2 Coupe ABY - aka Project Lazarus
                      2001 A6 allroad 2.5TDi - family tank
                      2003 S4 Avant 4.2 V8 - daily burble

                      Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)

                      There are only 10 kinds of people that understand binary - those that do, and those that don't

                        Comment

                        • spink
                          S2Forum Freak
                          • Jul 2003
                          • 4382
                          • Country: England
                          #7
                          Originally posted by S2central.net
                          Wtf is KG engine ?
                          10vt from audi 200,182bhp

                            Comment

                            • S2central.net
                              Retired OG Mod
                              • Jul 2003
                              • 16590
                              • Country: Northern Ireland
                              #8
                              That must be MAC05 ECU then... I dont know if the tacho from a 7A engined coupe is compatible with rpm signal from that ecu...

                              Checked the wiring and it is definitely black/violet wire from pin 7 on KG ECU for rpm.
                              Paul Nugent
                              Webmaster http://S2central.net
                              Administrator http://S2forum.com

                              1994 S2 Coupe ABY - aka Project Lazarus
                              2001 A6 allroad 2.5TDi - family tank
                              2003 S4 Avant 4.2 V8 - daily burble

                              Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)

                              There are only 10 kinds of people that understand binary - those that do, and those that don't

                                Comment

                                • hermanio
                                  S2Forum Maniac
                                  • Jan 2009
                                  • 800
                                  • Country: Netherlands
                                  #9
                                  my tacho shows 1/5 to much rpm. what could cause this problem ? (4cylinder swapped for 5 cylinder turbo with s2 tacho)
                                  5 Cylinder Freak

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