3B wiring schematic for rear lights/Reversing light

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  • SteveH
    Super Moderator
    • Jul 2003
    • 4460
    • Country: United Kingdom

    #1

    3B wiring schematic for rear lights/Reversing light

    Hi, The schematics are missing from S2Central. Does anyone have a copy they can share please? Reverse light has stopped working and I'm trying to trace the wiring. Can't see that it's fused and I'm getting no power to the bulb holder for this bulb. All the other rear lights are working fine.
    91 Modded 3B
    14 A6 Avant Black Edition
  • Crasher
    S2Forum Enthusiast
    • Nov 2018
    • 155
    • Country: England

    #2
    I have them at work in the full Audi wiring diagram folders, is it an Avant? I can scan it Monday.

    Comment

    • SteveH
      Super Moderator
      • Jul 2003
      • 4460
      • Country: United Kingdom

      #3
      Originally posted by Crasher
      I have them at work in the full Audi wiring diagram folders, is it an Avant? I can scan it Monday.
      It's a coupe, but the wiring is likely to be similar. I'm just swapping to 6 speed box from a 5 speed. Gearbox reverse light switch on the box is different so I've changed the connector and extended the wiring. On the original 5 speed connector, if I bridged the two wires the reverse light would light up. I've now set this up on the new box and checked the reverse light switch which opens and closes fine. Now bridging the original wires doesn't light the bulb. Checked and I can't see a fuse blown and all the other tail light bulbs are working. I hate electrical stuff!
      91 Modded 3B
      14 A6 Avant Black Edition

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      • Crasher
        S2Forum Enthusiast
        • Nov 2018
        • 155
        • Country: England

        #4
        From memory the power is blue/black and output black/blue, I will scan it Monday.

        Comment

        • SteveH
          Super Moderator
          • Jul 2003
          • 4460
          • Country: United Kingdom

          #5
          Originally posted by Crasher
          From memory the power is blue/black and output black/blue, I will scan it Monday.
          Black/Blue and Blue/Red I think. It's switched live via the gearbox switch so bridging the wires should trigger the light. I've located a coupe wiring diagram for a different model and it shows S12 15Amp but can't locate fuse. Perhaps there's a relay involved too.
          91 Modded 3B
          14 A6 Avant Black Edition

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          • Crasher
            S2Forum Enthusiast
            • Nov 2018
            • 155
            • Country: England

            #6
            Prod me with a sharp stick on Monday

            Comment

            • Nuvo
              S2Forum Possessed
              • Nov 2003
              • 3826

              #7
              Steve, all the schematics appear to be there for the S2 Coupe except for MY91, so you should be able to glean the info you need from another model year.

              Comment

              • SteveH
                Super Moderator
                • Jul 2003
                • 4460
                • Country: United Kingdom

                #8
                yeah, I've found some but they aren't translated into English.
                91 Modded 3B
                14 A6 Avant Black Edition

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