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Strange connector 200

posted by  Maxspeed on  Wed Mar 28 17:06 CST 2007
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last visit: Mon Jan 20 21:55 CST 2014
[RELATED]

I have found a connector on the 79 242, B21F. It is located on top of the engine attached to the valve cover bolt, second from rear, intake side. Not the Aux Air. This has several connection slots and almost made me think of the diagnostic unit on my 89. It has a wiring harness going behind the engine. The top of the connector is open. It looks like something should be plugged into it. Seemed like it only had a couple of wires but not real sure. Looked like a headlight connector but bigger..Any ideas??
--
Max..1989 244 DL 5 Spd., V15 Phase II Cam Bilstein HD, Turbo Swaybars, Poly Bushings all round, Turbo Wheels, Black leather interior, Electric mirrors, LED dash and gauge lights and now NEW ECODES with the turn signals, 1992 black 244 next project








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    ANSWER Strange connector 200

    posted by  someone claiming to be CB on  Wed Mar 28 17:10 CST 2007 [RELATED]

    this is a diagnostic port...once used by the now retired Volvo techs.

    This post has been marked as an answer to the original question.



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      Strange connector 200

      posted by  Maxspeed on  Wed Mar 28 17:39 CST 2007
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      last visit: Mon Jan 20 21:55 CST 2014
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      Thank you very much.. It was bothering me since I could not identify it. Is there a way to use this? What diagnostic tool is required?
      --
      Max..1989 244 DL 5 Spd., V15 Phase II Cam Bilstein HD, Turbo Swaybars, Poly Bushings all round, Turbo Wheels, Black leather interior, Electric mirrors, LED dash and gauge lights and now NEW ECODES with the turn signals, 1992 black 244 next project








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        Strange connector 200

        posted by  someone claiming to be CB on  Wed Mar 28 18:44 CST 2007 [RELATED]

        I think it filled the need for a timing light and a RPM readout
        Who knows, who remembers, what killed the dinosaurs?








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          Strange connector 200

          posted by  kyle240 on  Thu Mar 29 00:25 CST 2007
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          last visit: Mon Oct 8 06:38 CST 2007
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          At the time the need was for a more sophisticated and accurate means of setting ignition timing than the way most of us do with a strobed light on the crank pulley. That need was created by the newly established emissions standards and expensive catalysts easily nullified by inexact spark timing. The diagnostic unit was termed a 'monotester' which combined a dwell/tach/timing angle meter with electrical reference to crank position for comparison with ignition time. What killed the dinosaurs? Emissions.
          --
          -K (hope springs eternal)








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          There are still some dinosaurs around 200

          posted by  Trev29 on  Wed Mar 28 23:23 CST 2007
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          last visit: Fri Oct 17 05:56 CST 2014
          [RELATED]

          I think Lucid knows/remembers. :)

          The wire goes down to what appears to be a sensor that projects into the area behind the flywheel. So it may be for timing/rpms.

          But when I replaced my clutch, I didn't notice anything on the flywheel eg. magnet that the "sensor" might pick-up.
          --
          1980 245 Canadian B21A with SU carb and M46 trans in Brampton, Ont.







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