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EFI / Fuel Injection cut off switch mystery solved!

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  • EFI / Fuel Injection cut off switch mystery solved!

    So I've been hrearing about this "cut-off" switch- which for various nebuoulsy described reason "pops off" and shuts down the EFI electrical circuit-

    When I had some early starting problems when I got the new '91 home a couple of weeks back-

    I went in search of it-

    I could find no plastic door panel for it in the trim behind the drivers door as it was described-
    It's pictured in the Hayne's manual behind a little plastic trap door under the rear window.
    wrong.

    there was an indentation with something round I could feel under it- couldn't tell if it was "popped" or not-

    WASN'T IT ANYWAY.

    Found it today BURIED under stuff- a potential MAJOR HASSLE!

    I always lose my back seats- live alone and don't need- all that weight!

    Today I was taking the back radio speaker panels off- no speakers anyway, and the rear belts-
    A MACE! Two MACES! Big heavy bolts and dOUBLE metal bolt bracket at the bottom-

    selling gasoline! Stoning Fill-ups!

    All standing worthless in front of access to strut tops

    THERE AND BEHOLD, behind the rear plastic- right over the strut top-

    THERE IT IS- The CUT OFF SWITCH
    see attachment

    anyway- unplugged it to see if car runs without it connected- NO.
    but there it is- three wire connector-

    one is the ground I guess-

    take two of those wires and splice them twogether and I guess you can lose the whole piece of poo!
    Don't pay some hack for a new "used" one if it fails-
    ELIMINATE IT!

    Not gonna mess it yet here- the back plastic is not going back on so it's in plain view- and instant access and sight line to tailights.


    The other thing I tried yesterday was to mount a tire with just a lug wrench and screwdriver-

    the one bead was incredibly easy, and I'd watched several youtubes of people doing it-done it on countless bicycle tire for 50 years-

    The first bead went on so easily I thought it wouldn't be too bad-
    but the next bead proved VERY tight
    In full sweat I gave up after twenty minutes or so-

    oh well- gotta have the tires balanced anyway- so I might as well as let the pros with the right tools do it-
    Bought two new tires for the front- the backs are VERY good-
    and a new used wheel for one, while the other fairly good front to be a full sized spare now
    I'd painted the spare wheel- but somebody had driven the tire for some time and some outer wear on that- a full sized will be better-
    and I think it will fit down in the well too!
    Last edited by harpon; 08-27-2014, 01:40 PM.

  • #2
    That's a safety feature in case you get in a bad accident, it shuts off the fuel pump so it doesn't feed a fire. I wouldn't advise anyone to eliminate it.
    Rick
    1993 Ford Festiva
    1986 AMC Eagle Wagon 4.2L/4.0L head, AW4,NP242, Chrysler 8.25" rear. SOLD
    1981 AMC Eagle Wagon-As Seen on TV Lost In Transmission
    2000 Ford E350

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    • #3
      Pretty bad accident if you can't turn off the key-

      something about the way it was hidden- and BEHIND a whole lot of other stuff-
      stuff DIFFICULT to remove even

      If it failed on the road, you'd be up sheet creek, Safety Nuns.
      Anyway, just something else to wonder about if the car doesn't start.


      I may not mess with it now because it's in plain view-
      but if it screws up
      I'd NEVER pay someone to ship it or strip it-

      Safety Dance-
      Lyrics:S-s-s-s A-a-a-a F-f-f-f E-e-e-e T-t-t-t Y-y-y-ySafe, dance![Gesprochen]We can dance if we want toWe can leave your friends behind'Cause your friends d...
      Last edited by harpon; 08-27-2014, 04:33 PM.

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      • #4
        Stuff I eliminated from my Festiva today-









        Joins the backseat and other stuff- very weighty and in way stuff at the bottom of dash area!

        Also seat covers on- two for $13 on ebay/
        Last edited by harpon; 08-27-2014, 04:52 PM.

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