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Check engine light is NOT coming on. Why?

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    #16
    I don't see any check engine. I see a place that could be used as such. The middle row, left or right.

    I see a check OIL light that should only light up if the oil level is low about 1-2 quarts.

    If you have a multimeter and pull the pod, you should be able to trace the wire from the diag port to the line that goes to the lamp you think is a check engine light. If it is wired up at all. From what I see, it shouldn't be wired. Pull the pod and compare the traces to that light to the connections on the harness and you'll find out real quick if it's actually wired for use or not.
    Last edited by sly; 09-28-2014, 05:15 PM.

    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

      #17
      either way, if it does in fact have a check engine light, I expect that its not hooked up internally.
      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

      Everything looks like voodoo if you don't understand how it works

      Comment

        #18
        When I did pull the pod it was wired up with bulbs and all. The one on the left is the Alarm light and the right is the check engine light. I took the bulbs out and held the pod up to the light to see them. Where the bulbs twist in is that plastic paper with copper traces which weren't dead ends. I didn't think to use my multimeter though. I also do not want to pull that dash apart again... Just going to assume it will not light up.


        Thanks fellas.
        1985 LTD Crown Victoria - SOLD
        1988 Town Car Signature - Current Party Barge

        Comment

          #19
          lots of good suggestions.
          just to point out, it *could* also be the printed circuit board on the backside of the instrument cluster itself. Did the copper contacts look worn through?

          Comment

            #20
            The Check Engine Light on my 89 doesn't come on when the ignition is in RUN. The light does work though, I don't think it is supposed to come on every time you start the car.

            1989 Lincoln Town Car Signature Series | 249k miles, current project car
            2018 BMW 430i xDrive M-Sport | 50k miles
            2018 Toyota Tacoma TRD Sport | 97k miles

            Comment

              #21
              BerniniCaCO3,
              Copper contacts looked new. I took out other bulbs and swapped them around and then had to take them out again when they didn't work, had to find a sweet spot..

              L1011tristar17,
              Hmm. GF has an 89 like yours and hers does come on in the run position. Is there something I can do or safely unplug to force the light to come on? Maybe the thing does work lol.
              1985 LTD Crown Victoria - SOLD
              1988 Town Car Signature - Current Party Barge

              Comment

                #22
                88's did not have that function

                1986 lincoln towncar signature series. 5.0 HO with thumper performance ported e7 heads, 1.7 roller rockers, warm air intake, 65mm throttle body, 1/2" intake spacer, ported intakes, 3.73 rear with trac lock, 98-02 front brake conversion, 92-97 rear disc conversion, 1" rear swaybar, 1 3/16" front swaybar, 16" wheels and tires, loud ass stereo system, badass cb, best time to date 15.94 at 87 mph. lots of mods in the works 221.8 rwhp 278 rwt
                2006 Lincoln Town Car Signature. Stock for now
                1989 Ford F-250 4x4 much much more to come, sefi converted so far.
                1986 Toyota pickup with LSC wheels and 225/60/16 tires.
                2008 Hyundai Elantra future Revcon toad
                1987 TriBurner and 1986 Alaska stokers keeping me warm. (and some pesky oil heat)

                please be patient, rebuilding an empire!

                Comment

                  #23
                  That's what everyone says yet it's wired up and there! Sigh, you guys are right, you know these things better than I. I just like lights, gauges and such! Someone could add volt n oil prssure to threft pod on the instrument cluster and then put a tach where the clock is....
                  1985 LTD Crown Victoria - SOLD
                  1988 Town Car Signature - Current Party Barge

                  Comment

                    #24
                    gotta have a clock. A tick-tock-tach would be an acceptable compromise.

                    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

                    Everything looks like voodoo if you don't understand how it works

                    Comment

                      #25
                      Originally posted by gadget73 View Post
                      gotta have a clock. A tick-tock-tach would be an acceptable compromise.

                      now that looks like fun.

                      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

                        #26
                        Haha yeah, MOPAR's tic-toc-tach. That could work. Would be sweet.
                        1985 LTD Crown Victoria - SOLD
                        1988 Town Car Signature - Current Party Barge

                        Comment

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