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Subwoofer potential and radio dimensions for 1990 Grand marquis

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    #1

    Subwoofer potential and radio dimensions for 1990 Grand marquis

    Two basic questions:

    1. Does the head unit for the Grand Marquis have pre-outs for an external amp for a subwoofer? I'm doubting it but just wondered. It looks like the Lincolns came with subs, at least some of them did.

    2. What is the dimension for the head unit in our cars. Is it single DIN? I've got an older Pioneer Supertuner head unit from the late 1990's that has RCA pre-outs that would allow for an external amp (e.g. then, a subwoofer).


    Thanks-
    95 DGM Impala SS, 383, LT4 cnc heads, LT4 matched intake, Holley 58 mm t/body, GM 846 cam, GMPP 1.5 rr's, F-body MAF, BH OBD I PCM, LT4 knock module, K&N cold air, Edelbrock headers, Flowmaster exhaust, BBHP #73 6-speed, 4:10 gear, sloted and drilled rotors, Z28 cluster
    96 Buick Roadmaster Limited Wagon, mostly stock
    77 Ford F150, 400M auto, longbed
    98 Suburban LS 5.7L Vortec, stock
    90 Grand Marquis, stock
    Tags: None
    #2
    1) Doubt the OEM units have pre-outs. Maybe the newer ones do but not that old.

    2) !990's should be a single DIN. My '87 is and so was my '93 so I would think so!


    "Hope and dignity are two things NO ONE can take away from you - you have to relinquish them on your own" Miamibob

    "NEVER trade your passion for glory"!! Sal "the Bard" (Dear Old Dad!)

    "Cars are for driving - PERIOD! I DON'T TEXT, TWEET OR TWERK!!!!"

    Comment

      #3
      No preouts, single din is the right size.
      1989 Grand Marquis LS
      flat black, 650 double pumper, random cam, hei, stealth intake, Police front springs, Wagon rear, Police rear bar, wagon front ,exploder wheels, 205/60-15 fronts 275/60-15 rears, 1 5/8" headers, 2.5" offroad x pipe, Eclipse front bucket seats, Custom floor shifter, 4.10 gears, aluminum driveshaft and daily driven. 16.77@83mph

      Comment

        #4
        stock does not have preouts, single din is good
        sigpic


        - 1990 Ford LTD Crown Victoria P72 - the street boat - 5.0 liter EFI - Ported HO intake/TB, 90 TC shroud/overflow, Aero airbox/zip tube, Cobra camshaft, 19lb injectors, dual exhaust w/ Magnaflows, Cat/Smog & AC delete, 3G alternator, MOOG chassis parts & KYB cop shocks, 215/70r/15s on 95-97 Merc rims

        - 2007 Ford Escape XLT - soccer mom lifted station wagon - 3.0 Duratec, auto, rear converter delete w/ Magnaflow dual exhaust

        - 2008 Mercury Grand Marquis Ultimate Edition - Daily driver - 4.6 2 valve Mod motor, 4R75E, 2.73s. Bone stock

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          #5
          install your pioneer and enjoy!
          no reason to keep the stock head unit.

          If you want the wiring diagram to know which wires are which and to save $30 off of a harness adapter, if you care, I can scan that page out of the manual.

          Comment

            #6
            use the adapter... and they're less than $10 after shipping on Amazon.

            normal looking one...
            http://www.amazon.com/Absolute-FWH59...612333&sr=1-23

            cheaper looking one...
            http://www.amazon.com/stereo-wire-ha...612543&sr=1-29

            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.

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