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n75 wiring problem

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  • n75 wiring problem

    Basically the wiring running to my n75 valve has broken. Which normally i guess you would just splice back on. Problem i have is, it has actually broken off inside the clip. Here is a pic



    Any ideas on how i can connect it again? I can't figure out how to pull the connection apart either.
    Also, would this be the cause of my car not boosting very hard?

    any help would be great!

    steve

  • #2
    N75 valve is used by the ECU to control the wastegate actuator

    This not working would make the car sluggish.

    The plug looks molded at the wiring end. Take a pic of the other side of the plug for me - i might have one for you with some longer wire.
    Last edited by Stan; 23-10-2012, 08:58 PM.
    My build thread here: 1.6 sr into 1.8T http://www.vwwatercooled.org.au/foru...-8t-63249.html

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    • #3
      Originally posted by undisclos3d View Post
      Basically the wiring running to my n75 valve has broken. Which normally i guess you would just splice back on. Problem i have is, it has actually broken off inside the clip. Here is a pic



      Any ideas on how i can connect it again? I can't figure out how to pull the connection apart either.
      Also, would this be the cause of my car not boosting very hard?

      any help would be great!

      steve
      With the N75 not working, you are running off the actuator alone which would be set at about 7PSI of boost.

      If you look in the front of that connector you will see the pins. If you poke a jewellers screwdriver or something like that down the gap. You should be able to push the pin out the back. Then you can get a wire on it again.

      VWP - connector housings this where I used to get bits from in the UK.

      You could nip to a wreckers though and cut a connector of an injector loom or something and splice it into your wiring. Getting the wires the right way round might be important to the N75, so be prepared to connect it temporarily first and go for a drive before doing the final job.


      Gavin
      optimumcode@gmail.com | https://www.vwwatercooled.com.au/for...i-;-79012.html | https://www.facebook.com/TTY-Euro-107982291992533

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      • #4
        Originally posted by h100vw View Post
        With the N75 not working, you are running off the actuator alone which would be set at about 7PSI of boost.

        If you look in the front of that connector you will see the pins. If you poke a jewellers screwdriver or something like that down the gap. You should be able to push the pin out the back. Then you can get a wire on it again.


        Gavin


        thats what it looks like, so you reckon if i push those metal bits hard enough, it should come out the other side?

        Comment


        • #5
          You need to push a screwdriver( maybe 2) or something flat down the slot. This folds a tab out of the way and releases the terminal.

          Lisle 56500 Terminal Tool Removes Wires | eBay
          optimumcode@gmail.com | https://www.vwwatercooled.com.au/for...i-;-79012.html | https://www.facebook.com/TTY-Euro-107982291992533

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          • #6
            a bit of a shameless 'plug' (excuse the pun) for my thread; have a look about half way down the page and you will see a photo of some speaker electrical pins. i'm pretty sure your pins will look like that once removed. in fact if you damage them i can probably flick you a couple in the mail, i'm pretty sure i didn't use them all but will have to check.



            Last edited by guile; 25-10-2012, 09:15 PM.
            sigpic

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            • #7
              having this problem right now, how did you end up fixing this? I just tried the screwdriver thing and it wouldn't move

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              • #8
                hey mate, I did end up fixing it. I used some of the mrs's hair pins and pushed them in and then grabbed the wire from behind with some needle nose pliers and just pulled it out easy. whatever you use to push in the two holes either side has to be just the right size for it to release the connector.

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                • #9
                  Thanks for the help man, I tried again with a tiny screwdriver but I bent the pin now, i'll give what you said a go and if that doesnt work i'll go to VW tomorrow

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                  • #10
                    Slaj,

                    I've got the tool and I sell the pins for $2 ea.

                    I'm in Boronia. If you're nearby I could re-terminate it for you.

                    The tool looks like this.

                    79 MK1 Golf Wreck to Race / 79 MK1 Golf The Red Thread / 76 MK1 Golf Kamei Race Car
                    7? MK1 Caddy
                    79 B1 Passat Dasher Project
                    12 Amarok

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                    • #11
                      That would be amazing Peter, Just send me a PM with when suits you and I will make my way to boronia. I have the day off work tomorrow if you are free then. And I will pay you for your time ofcourse

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                      • #12
                        Done. Should only take 2 minutes.
                        79 MK1 Golf Wreck to Race / 79 MK1 Golf The Red Thread / 76 MK1 Golf Kamei Race Car
                        7? MK1 Caddy
                        79 B1 Passat Dasher Project
                        12 Amarok

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                        • #13
                          Peter Jones - i'm going to have to fix my N75 wiring as it's split. Do you still sell this handy dandy little tool?

                          Originally posted by Peter Jones View Post
                          Slaj,

                          I've got the tool and I sell the pins for $2 ea.

                          I'm in Boronia. If you're nearby I could re-terminate it for you.

                          The tool looks like this.

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