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    #1

    wiring harness questions

    Ok so i'm gonna start working on a wire tuck on the marquis since it is no longer my daily, for those of you that don't know a wire tuck is hiding all the wires and making the engine appear as though is doesnt run or is not hooked to anything.
    I will post examples in few

    Anyway my question is: Is the engine harness its own seperate harness straight to the ecu, and then there is another harness for headlights and such?
    Or is it all intergrated into one harness?


    '90 LX 5.0 mustang
    Big plans
    Tags: None
    #2
    yes, the light and ECM harnesses are seperate. Light harness runs from the firewall to a plug near the washer bottle, then across the header panel. Theres another harness that runs from the driver's side over to the starter relay to feed power to the fuse box, and I think its also got wire breakouts for the blower motor, blower resistor and ATC thing (if equipped)
    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

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      #3
      Thanks, that what I thought but wasn't sure and my car is 3 hours away at the moment, can't wait to get started on the project.


      '90 LX 5.0 mustang
      Big plans

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        #4
        I'm interested. Where are u going to hide all the wires?
        sigpic

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          #5
          Well I'm gonna redo the engine harness and have it going through the firewall at the top of the tranny tunnel, and relocat the ecu somewere close to there behind the dash. On the headlight harness I plan to run them inside the fenders, and the starter silinoid and anything else like that will be relocated to the front side of the header panel. That's the plan as of right now but I'm sure I will have to make changes and adjustments as I go.


          '90 LX 5.0 mustang
          Big plans

          Comment

            #6
            O ok. Sounds like a good plan. Are u going to cover the wires on the motor too? Or what's the plan there?
            sigpic

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              #7
              what do you mean by cover ? like wire loom or build an engine cover?


              '90 LX 5.0 mustang
              Big plans

              Comment

                #8
                Something like a metal cover, not plastic loom.
                sigpic

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                  #9
                  no the injector harness and such will just be hidden under the upper intake, and I think i'm gonna run the alternator wiring stright down off the back of the alt and mount some hangers along the oil pan rail and run it along there. The battery is also getting relocated.


                  '90 LX 5.0 mustang
                  Big plans

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                    #10
                    I can't wait to see it when its done.
                    sigpic

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                      #11
                      I wanna help!

                      Did you do the honda that I saw posted here?? That looked very thorough...
                      the 90-91 Engine harness is definitely less mess, so you're already off with a head start
                      Pete ::::>>> resident LED addict and CFI defector LED bulb replacements
                      'LTD HPP' 85 Vic (my rusty baby) '06 Honda Reflex 250cc 'Baileys' 91 Vic (faded cream puff) ClifFord 'ODB' 88 P72 (SOLD) '77 LTDII (RIP)
                      sigpic
                      85HPP's most noteworthy mods: CFI to SEFI conversion w/HO upperstuff headers & flowmasters P71 airbox Towncar seats LED dash light-show center console w/5 gauge package LED 3rd brake light 3G alternator mini starter washer/coolant bottle upgrade Towncar power trunk pull underhood fuse/relay box 16" HPP wheels - police swaybars w/poly rubbers - budget Alpine driven 10 speaker stereo

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                        #12
                        So I am inspired to do this because i am secretly a honda head, and wire tucks are big time in the honda scene and there taking it to an unbelievable level and I like it haha. They hide there wires, there brake lines, fuel lines. Hondas right now have some of the cleanest engine bays I have ever seen. Anyway here are some of the more clean mustangs I've found but there just not on the same level as the hondas yet.











                        '90 LX 5.0 mustang
                        Big plans

                        Comment

                          #13
                          VERY VERY sadly no on the honda I had to sell it when I moved and didnt get to finish it, so the marquis is going under the knife now haha. I got a 97 ranger to drive so I figured it would be a good time to tear into the marquis since its not my daily anymore, and this is also an almost free modification, just very labor intesive but worth it IMO.

                          Anywho here are some of the hondas I was talking about. Sorry for all the pics but there are so many good ones haha.



















                          '90 LX 5.0 mustang
                          Big plans

                          Comment

                            #14
                            That's actually pretty cool. They do look like they don't have any wires.

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