3B wiring loom help

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  • 20Vcqdriver
    S2Forum Maniac
    • Jun 2007
    • 829
    • Country: United Kingdom

    #1

    3B wiring loom help

    I am in the midst of fitting a 3B to replace my present 7A and have just about sorted out the wiring loom apart from a couple of items (see pics), please let me know where the dingos they are supposed to go! All help appreciated.
    Some help on how to add more than one picture to a thread would also help?!
    Can e-mail all relavent pics to those who are able to assist.
    Attached Files
    1986 Coupe q - 2281cc 3B, chargecooler, 2.75" exh & downpipe, ported head, water injection, CGR box, modified MD357 turbo, 440cc injectors, high power coil.
    2004 A4 2.5TDi convertible, re-mapped to 180bhp
    2011 A5 sportback 3TDi-Backbox delete, remap
  • Nj
    S2Forum Possessed
    • Jan 2007
    • 3420
    • Home: Scotland Current: Finland

    #2
    I tend to upload all my pics to photobucket.com and then link them in with [img] tags. You just put in [img] then type the link (e.g. http://www.something.com/image1.jpg) and then a [/img] to close. On photobucket you can just click the link under the picture and it will automatically copy it so you just have to CTRL-V to paste it into your thread.
    I can't make out much in that photo. do you have pics of the mysterious items and anything else they connect near to?
    --------------------------------------------------------------------
    1990 CQ20v
    2001 3.0 B6 A4 Avant Quattro Sport

    Comment

    • topsparky
      S2Forum Fiend
      • Oct 2005
      • 2014
      • Country: United Kingdom

      #3
      ask azman or wab the king
      they have done that conversion
      a couple of times atleast
      1. SHORT SHIFT KIT
      2. PORSCHE CAYENNE CALIPERS
      3. H & R SPRINGS
      4. BILSTEIN SHOXS
      5. NEW BUSHES AND HP2 STRUTS
      6. UPRATED HIGH OUTPUT COIL PACK
      7. ,3" turbo back s/s/ exhaust
      8. fmic fitted

      Comment

      • terrybullwon
        S2Forum Zealot
        • Mar 2006
        • 8782
        • Country: England

        #4
        Can you take the foam off the connector? I have just taken a 3B loom out
        Also list the wires and amount of pins to the connector
        Chef

        Comment

        • 20Vcqdriver
          S2Forum Maniac
          • Jun 2007
          • 829
          • Country: United Kingdom

          #5
          And theres more!

          The plug in the previous pic goes to pins 54,38,39,2,12 and 10 on the ECU plug, 12 and 10 are supply wires from the ECU.
          Some other cables that have not been identified and that may not be needed for my conversion are in the next Pic below.
          Once these are identified I will send the last but not least pic of the un-identified plugs. Due to the firewall and security bits here at work there is a lot of stuff I cannot access, so will have to do it this way. sorry!
          Attached Files
          1986 Coupe q - 2281cc 3B, chargecooler, 2.75" exh & downpipe, ported head, water injection, CGR box, modified MD357 turbo, 440cc injectors, high power coil.
          2004 A4 2.5TDi convertible, re-mapped to 180bhp
          2011 A5 sportback 3TDi-Backbox delete, remap

          Comment

          • S2central.net
            Retired OG Mod
            • Jul 2003
            • 16590
            • Country: Northern Ireland

            #6
            Coding Plug is NOT used on 3B.
            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

            • S2central.net
              Retired OG Mod
              • Jul 2003
              • 16590
              • Country: Northern Ireland

              #7
              That brown 2-pin plug lloks like an OBD plug that sits alongside similar looking BLACK 2-pin and BLUE 2-pin plugs in drivers footwell.

              Not sure of the other one right now - don't have schematics in front of me (or photographically stored in my head {or a website yet})

              Paul
              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

              • Pirvu Eugen
                S2Forum Extremist
                • Apr 2007
                • 1978
                • Country: Romania

                #8
                I think the 2 off them are from the Clima!

                Comment

                • 20Vcqdriver
                  S2Forum Maniac
                  • Jun 2007
                  • 829
                  • Country: United Kingdom

                  #9
                  3B loom

                  Thanks for info, Not had internet access for a while, but can now check up the info I have and post the last pic on this loom tomorrow.
                  1986 Coupe q - 2281cc 3B, chargecooler, 2.75" exh & downpipe, ported head, water injection, CGR box, modified MD357 turbo, 440cc injectors, high power coil.
                  2004 A4 2.5TDi convertible, re-mapped to 180bhp
                  2011 A5 sportback 3TDi-Backbox delete, remap

                  Comment

                  • 20Vcqdriver
                    S2Forum Maniac
                    • Jun 2007
                    • 829
                    • Country: United Kingdom

                    #10
                    Ok. 2nd to last picture. What is the green plug for? It would probably help if I had the complete S2 drawings but only have the engine parts. Thanks
                    Attached Files
                    1986 Coupe q - 2281cc 3B, chargecooler, 2.75" exh & downpipe, ported head, water injection, CGR box, modified MD357 turbo, 440cc injectors, high power coil.
                    2004 A4 2.5TDi convertible, re-mapped to 180bhp
                    2011 A5 sportback 3TDi-Backbox delete, remap

                    Comment

                    • S2central.net
                      Retired OG Mod
                      • Jul 2003
                      • 16590
                      • Country: Northern Ireland

                      #11
                      Despite being the wrong colour of plug (for ABY at least where they are yellow) - it looks like the one used for the ambient temp display module on rear of instrument cluster. What are the wire colours - can't really see on that image ?

                      Paul
                      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

                      • 20Vcqdriver
                        S2Forum Maniac
                        • Jun 2007
                        • 829
                        • Country: United Kingdom

                        #12
                        Last but not least, Cannot figure out where these went before removing from the donor S2. DOH! (2 cables at the top on the same section of loom as the turbo coolant pump and pressure switches.
                        Attached Files
                        1986 Coupe q - 2281cc 3B, chargecooler, 2.75" exh & downpipe, ported head, water injection, CGR box, modified MD357 turbo, 440cc injectors, high power coil.
                        2004 A4 2.5TDi convertible, re-mapped to 180bhp
                        2011 A5 sportback 3TDi-Backbox delete, remap

                        Comment

                        • 20Vcqdriver
                          S2Forum Maniac
                          • Jun 2007
                          • 829
                          • Country: United Kingdom

                          #13
                          Green plug colours are Brown/White, Brown/Blue, Brown, White/Blue, Black/Blue.
                          1986 Coupe q - 2281cc 3B, chargecooler, 2.75" exh & downpipe, ported head, water injection, CGR box, modified MD357 turbo, 440cc injectors, high power coil.
                          2004 A4 2.5TDi convertible, re-mapped to 180bhp
                          2011 A5 sportback 3TDi-Backbox delete, remap

                          Comment

                          • S2central.net
                            Retired OG Mod
                            • Jul 2003
                            • 16590
                            • Country: Northern Ireland

                            #14
                            If you can wait a day or two before I can dig out the 3B schematics I'll be glad to help - those wire colour are different to ATD on the ABY. Dunno.

                            As to the other two plugs - if they are near the water rail then you only have limited choices...

                            MFTS (F76) ?
                            Afterrun pump ?
                            Thermoswitch for above ?
                            Knock Sensor 1 or 2 ?

                            That bigger plug has a smell of MFTS about it... Need the wire colours behind the hood to confirm though.

                            Paul
                            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

                            • S2central.net
                              Retired OG Mod
                              • Jul 2003
                              • 16590
                              • Country: Northern Ireland

                              #15
                              Ahhhhhhhhhh - or its the fan wiring plus thermal switches in the radiator maybe ?
                              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

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