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Fuel pump on w. ignition key off (Ford 5.0 1989 crown vic)

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    #1

    Fuel pump on w. ignition key off (Ford 5.0 1989 crown vic)

    Hi everybody,

    I seem to have a small problem on my 89 LTD Crown Victoria. It is running fine, however I have noticed that the fuel pump remains permanently on, with or without ignition key.
    Does anyone have an idea on how to fix this?
    I have read somewhere that it might be a grounded wire somewhere?
    Tags: None
    #2
    My 89 LTC did this a few times. Cycling the key on and off a few times did the trick. I changed the relay and it never did it again.
    2020 Volvo XC90 T6 Momentum (Ice White / Blonde)
    2022 Ram 1500 4x4 5.7 Etorque, Built to Serve Edition, (Granite Crystal / Black)
    Past Panthers
    1989 Grand Marquis LS (Cabernet/Grey), 1989 Lincoln Town Car SS (White/Blue), 2004 Mercury Grand Marquis Ultimate (White/Black)

    Originally posted by Lincolnmania
    if its got tits or tires it's bound to give you trouble

    Comment

      #3
      yeah I'd also go with bad relay. Probably the contacts welded together or the spring broke.
      86 Lincoln Town Car (Galactica).
      5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

      91 Lincoln Mark VII LSC grandpa spec white and cranberry

      1984 Lincoln Continental TurboDiesel - rolls coal

      Originally posted by phayzer5
      I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

      Comment

        #4
        +1 bad relay.

        Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
        rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)

        Originally posted by gadget73
        ... and it should all work like magic and unicorns and stuff.

        Originally posted by dmccaig
        Overhead, some poor bastards are flying in airplanes.

        Comment

          #5
          That was the cause of my overnight dead battery issue a while back, new relay and it's all good.
          1989 Country Squire - Twilight Blue, 347 stroker


          2005 Crown Victoria Sport - Black - Stainless Works full exhaust with Borla Pro XS mufflers, BBK 75mm TB, Accufab plenum, CVPI airbox, Heinous control arms, etc...

          Comment

            #6
            I like when problems resume to a 7 dollar relay +++
            Thanks for the (unanimous) advice!
            I'll let you know how things work out!

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