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89 MGM headlight problems

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    89 MGM headlight problems

    Well today i come outside to see only one of my lowbeams working. I Figure ah what the hell a bulb died. So i flip on my highbeams to go driving and what do i notice all 4 bulbs are on. So with highbeams my lowbeam goes on that i thought is dead.

    I switch back to lowbeams only same thing still one out. What gives?
    1999 CVPI
    Old Rides
    1988 Ford Mustang GT (trickflow stage 1)
    1989 Mercury Grand Marquis LS (5.SLO)
    1989 Ford Thunderbird SC (3.8 Supacharged)

    #2
    reason being is because the h4656 has two filliments. the h4656 is also used for
    other cars such as the dodge dakota thoses uses only the h4656 for both high beam and lo beam. our cars use h4651 for highs so when you hit the high beam its actually using the high beam filliment for the lo beam bulb that burned out

    1989 mercury grand marquis gs / 2014 ford focus s daily driver
    302 lopo with ho upper/ aod with trans go shift kit
    k code 3:55 posi rear/big brake swap tow package car

    Comment


      #3
      The low beam filament in that housing is dead.

      Now do me, and everyone else on the road a favor. Replace both low beam lamps, even though your other one is working fine. That way you won't be fucking with peoples eyes.
      Save a seal, club a liberal.

      Comment


        #4
        and why couldnt this go in the tech section?

        RIP Jason P Harril, we'll miss ya bro

        '80 Town Coupé
        '84 Towncar - Teh Cobra TC, 408w powered
        '16 Ram 1500 CC Outdoorsman, Hemi/3.92/8sp 4x4

        Comment


          #5
          Coulda gone in electrical, but not tech. Anyway, does it really matter??
          '89 Ford LTD Crown Vic - '92 Ford F-150 Custom -
          '95 Ford Bronco XL -

          sigpic :rebel:

          Comment


            #6
            The "tech' section is 5.0/5.8 to panther muscle, including electrical

            ...and off it goes!

            RIP Jason P Harril, we'll miss ya bro

            '80 Town Coupé
            '84 Towncar - Teh Cobra TC, 408w powered
            '16 Ram 1500 CC Outdoorsman, Hemi/3.92/8sp 4x4

            Comment


              #7
              I got bitched at for organizing things
              '89 Ford LTD Crown Vic - '92 Ford F-150 Custom -
              '95 Ford Bronco XL -

              sigpic :rebel:

              Comment


                #8
                I had to do it, the sand in my mangina said so

                RIP Jason P Harril, we'll miss ya bro

                '80 Town Coupé
                '84 Towncar - Teh Cobra TC, 408w powered
                '16 Ram 1500 CC Outdoorsman, Hemi/3.92/8sp 4x4

                Comment

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