3 random wires behind rear diff. What are they?

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  • bmbarnum
    Member
    • Aug 2012
    • 55

    #1

    3 random wires behind rear diff. What are they?

    So behind my rear diff or I should say behind the rear lower control arm there are these 3 randomly cut wires that are not connected to anything. I have searched and could not find my answer, so I was hoping you guys could help me. What are these wires for and where do they go?

    Picture provided: 3 wire colors are BROWN, YELLOW, and BLUE

    Also I found the plug just hanging behind the passenger rear wheel. What is it also?

    thanks guys!







  • Herr Faust Schinken
    No R3VLimiter
    • Feb 2012
    • 3580

    #2
    Plug is the brake pad ware sensor I have no clue about the wires
    88 325is Five Speed
    Lachssilber

    Comment

    • Rsully70sev
      R3VLimited
      • Sep 2010
      • 2391

      #3
      Exhibit previously put TV's in yo RIMS!

      Brown is usually a universal color for a ground, that's all I can tell you. Besides ^ plug is the brake pad wear sensor.

      IDK the condition of your car (if it's running or a project) but I would use deductive reasoning...do all your lights work, sensors, dash lights, odo working, needles working, etc. I'm sure someone will chime in soon

      Comment

      • Court M3
        R3V OG
        • Jan 2004
        • 6713

        #4
        Wiring for diff sensor?
        Continuous For Sale Thread
        323i s50

        Comment

        • cabriodster87
          E30 Enthusiast
          • Jan 2011
          • 1042

          #5
          lol, seriously i am color blind.
          Last edited by cabriodster87; 08-30-2012, 03:47 PM.
          sigpic
          Reich und Roll!

          Comment

          • nando
            Moderator
            • Nov 2003
            • 34827

            #6
            Originally posted by Court M3
            Wiring for diff sensor?
            that's only 2 wires

            but I can't see the pics, could be for the ABS sensor.
            Build thread

            Bimmerlabs

            Comment

            • dnguyen1963
              R3VLimited
              • Nov 2011
              • 2648

              #7
              Take the back seat out and exam the wire bundles to see if any of them got cut.

              Comment

              • Rook12V
                Member
                • Nov 2011
                • 93

                #8
                Not factory. Those wires have been added.

                Comment

                • be34st
                  E30 Fanatic
                  • Mar 2010
                  • 1277

                  #9
                  Did this car have a sound system?

                  07 Designio E63 AMG / 1984 318i (M20Swapped)

                  Comment

                  • Gregs///M
                    Forum Sponsor
                    • Mar 2012
                    • 2459

                    #10
                    looks like "home audio" speaker wires. Someone hacked that s**t up. Just cut all that out and restore the OEM wires.
                    Owner - Bavarian Restoration
                    BMW and European Electronics Repair and Restoration
                    www.BavRest.com
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                    Comment

                    • be34st
                      E30 Fanatic
                      • Mar 2010
                      • 1277

                      #11
                      Originally posted by Gregs///M
                      looks like "home audio" speaker wires. Someone hacked that s**t up. Just cut all that out and restore the OEM wires.
                      This.

                      07 Designio E63 AMG / 1984 318i (M20Swapped)

                      Comment

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