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location of neutral safety switch 71 mustang
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Chickenwing



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    Post: #1
    location of neutral safety switch 71 mustang

    Trying to find the neutral safety switch/backup light switch on my 71 Mustang. the car has been setting for years and is in quite a wiring state. everything from under the dash out through the fire wall looks unmolested. so I have located the four wire plug at the end of the harness from inside the car. It has 2 red/w blue trace wires and 1 white w/purple trace and a black w/ pink trace. the only wire cobbled into the mate of this plug goes from one of the red w/blue trace to the starter solenoid. The car does start.... Any help? thanks in advance!
    Offline 02-27-2013 07:47 PM
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    don29163



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    Post: #2
    RE: location of neutral safety switch 71 mustang

    It is probably located on the side of the trans (auto) under the shift linkage and is held on by 2 bolts, the shift lever has to come off to remove it. the bolt holes are elongated to allow for slight adjustment.
    Offline 02-27-2013 08:48 PM
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    Chickenwing



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      Post: #3
      RE: location of neutral safety switch 71 mustang

      Checked the location. The car has a 351 2V with an FMX trans. (14 pan bolts) not the factory goods. The car has a console shifter but also has the column linkage as well. I have not worked on a ford of this vintage for 30 yrs. and the double linkage deal has me confused.....
      Offline 02-27-2013 09:11 PM
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      TommyK



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      Post: #4
      RE: location of neutral safety switch 71 mustang

      On an FMX the switch is on the shifter not the trans.
      Offline 02-28-2013 05:07 AM
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      Tnfastbk



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      Post: #5
      RE: location of neutral safety switch 71 mustang

      (02-27-2013 09:11 PM)Chickenwing Wrote:  Checked the location. The car has a 351 2V with an FMX trans. (14 pan bolts) not the factory goods. The car has a console shifter but also has the column linkage as well. I have not worked on a ford of this vintage for 30 yrs. and the double linkage deal has me confused.....

      71/73 never had a column shifter. Now it did have a rod that was held the key from being removed unless the car was in nuetral, maybe thats what you see on the column.
      Offline 02-28-2013 06:22 AM
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      goodnigh



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      Post: #6
      RE: location of neutral safety switch 71 mustang

      In the picture below the switch is in the shifter on an FMX or C6 w/429.
      Let me know if you need more pictures.

      mike

         
      Offline 02-28-2013 07:58 AM
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      OMS



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        Post: #7
        RE: location of neutral safety switch 71 mustang

        A 71 H code would have had the FMX from the factory
        As other has shown the safety switch is in the shifter housing on an FMX

        The harness from the shifter does run thru the trans tunnel to plug in connectors by the wiper motor

        Has 2 connectors and uses { I think } 5 wires
        1 for the light
        2 for power in / out to back up lights
        2 for power in / out for ignition

        You can go to my site to see a picture of the plugs
        Don

        Item #D2ZZ-7247-B
        69-73 FMX NEUTRAL SAFETY SWITCH
        Made using the original blue prints and nos samples.
        Offline 02-28-2013 09:45 AM
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        jb73Mach



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        Post: #8
        RE: location of neutral safety switch 71 mustang

        What looks like a column shift is the column lock. It allows the steering wheel to lock when in park. I swapped a four speed into a 71 many years ago and that column lock even lined up and you could lock the column with the key out and the shifter in reverse. Hard to find all the parts now but that was a very easy swap - everything out of the doner bolted straight into the car. No mods, no mess.
        Offline 02-28-2013 04:54 PM
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        Chickenwing



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          Post: #9
          RE: location of neutral safety switch 71 mustang

          Thanks to all for the help. I'm not very good at all the terms on this forum, please forgive me. I have a couple of photos to upload because I'm still not clear. I have been referencing the simple wire diagrams that are posted here on the website as a guide. If the plug at the end of the harness from inside the car is where the neutral safety switch plugs in, then where does the wire ( red w/Lt.blue) from the left small terminal on the starter solenoid connect to and what is that's wire function???? How do attach photos?

          (02-28-2013 07:58 AM)goodnigh Wrote:  In the picture below the switch is in the shifter on an FMX or C6 w/429.
          Let me know if you need more pictures.

          mike
          Thanks for the photo, checked my car, appears no neutral switch there?
          trying to figure out how to post a photo to help in this discussion. Scott
          (This post was last modified: 02-28-2013 07:06 PM by Chickenwing.)
          Offline 02-28-2013 06:40 PM
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          goodnigh



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          Post: #10
          RE: location of neutral safety switch 71 mustang

          (02-28-2013 06:40 PM)Chickenwing Wrote:  Thanks for the photo, checked my car, appears no neutral switch there?
          trying to figure out how to post a photo to help in this discussion. Scott

          Add Photo. Good question.
          Reply to this message an look down the screen on the left will say
          "new attachment". Click on "browse". This will open a folder on
          YOUR computer. Find the picture you want to share and click on it.
          Then click the "open" icon. The location of the file will appear in the
          window. If you are satisfied with the selection click on the
          "Add Attachment" button to the right of the screen. This will D/L
          the picture to the forum. Once the D/L is complete the file from your
          computer will appear below the "New Attachment" line. To the right
          of that will be a button called "insert into post". Click on that and
          your picture will be inserted WHEREVER the blinking cursor is. So
          make sure the blinking cursor is at the bottom of your post or
          wherever you want the picture to appear.
          Hope this helps.

          mike
          Offline 02-28-2013 07:27 PM
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