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1985 5.8l engine wiring diagram

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    #16
    Going to blow the dust off this old thread My 1985 colony park has this same set up, less the stuff for the feed back carb. Just popped the hood today to check over everything and noticed a broken wire by the duraspark box. I am familiar with duraspark systems but, never studied this particular set up. The broken wire is the black wire, in the two wire connector(yellow and black wires). Thing is, I don't see this connector in the wiring diagram. Curious to as where it goes.

    1981 Mercury Marquis Brougham 2-Door 302/ 5-speed -special blend (GMGT)
    1987 Lincoln Mark VII 5-speed (Errand runner)
    1989 Mercury Grand Marquis (Base Runner)
    2007 Lincoln Town Car Signature Limited (Hustlyn)
    2011 Ford Crown Victoria Police Interceptor (Down with O.P.P)

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      #17
      The big red circle is the connector in question. The little red circle is where its broken.
      Attached Files

      1981 Mercury Marquis Brougham 2-Door 302/ 5-speed -special blend (GMGT)
      1987 Lincoln Mark VII 5-speed (Errand runner)
      1989 Mercury Grand Marquis (Base Runner)
      2007 Lincoln Town Car Signature Limited (Hustlyn)
      2011 Ford Crown Victoria Police Interceptor (Down with O.P.P)

      Comment


        #18
        Originally posted by marquisman View Post
        The big red circle is the connector in question. The little red circle is where its broken.
        I believe that is for spark retard input. I will have to dig up my diagrams when I am home..

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          #19
          Hmmm, interesting. May be part of a random issue I have. Very much appreciate you looking!

          1981 Mercury Marquis Brougham 2-Door 302/ 5-speed -special blend (GMGT)
          1987 Lincoln Mark VII 5-speed (Errand runner)
          1989 Mercury Grand Marquis (Base Runner)
          2007 Lincoln Town Car Signature Limited (Hustlyn)
          2011 Ford Crown Victoria Police Interceptor (Down with O.P.P)

          Comment


            #20
            My 84 EVTM says that goes from the ignition module to the feedback carb control. I couldn't find it in any of my manuals of what it's for.


            '93 T-bird
            '03 Silverado ECSB

            Missed:
            '88 Mark VII
            '86 CV

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