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  #1  
Old 11-10-2004, 06:06 PM
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Thanks again for all your responses. I decided to take the easy route and took it in to a friend that works on Mercedes & BMWs. I should be getting it back in an hour and $130 lighter in my wallet. The price of impatience.

Les
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Old 11-15-2004, 09:45 AM
Jim B+
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Tomm...I think the "problem" with the key not turning after

the plugs have glow-cycled once is some kind of safety device built into the system, to possibly prevent you from starting the car after the pre-glow has gone "cold"...maybe to prevent "flooding" or some other interruption of the sequence...until you start over again. This happens to me ever so often, and it has the "feel" of a protective device rather than a malfunction.
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Old 11-15-2004, 11:04 AM
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Thumbs up Just what I

was thinking. It did it yesterday again. Turned off key and recycled, worked fine. Maybe due to cold temps. Maybe it's Hilda's way of saying, "I want new glow plugs!!"????
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Old 11-15-2004, 11:38 AM
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Quote:
Originally Posted by Jim B+
the plugs have glow-cycled once is some kind of safety device built into the system, to possibly prevent you from starting the car after the pre-glow has gone "cold"...maybe to prevent "flooding" or some other interruption of the sequence...until you start over again. This happens to me ever so often, and it has the "feel" of a protective device rather than a malfunction.

You are correct, its by design. But I doubt it has anything to do with the glowplugs since the ingition is the same in both the diesels and the gassers. I would wager that its to prevent you from engaging the starter if your engine is already running.

If you were to take apart the ignition switch (the electrical portion) and look at the housing that it sits in you'd see a series of groves. Oddly, dispite the large amount of pictures I've taken of the guts of one of these things, I don't have one of that. Perhaps I'll take one when I get back home. In this picture of the actual mechanism inside the switch you can see a lever with a pin on the end. That pin rides in the groove in the housing and causes the lever to be moved out when you turn the key into the 'start' position or actually just a hair past the 'glow' position. That lever then blocks the ignition from going back into the start position.
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Ignition key does not work all the time-ignition-switch-guts.jpg  
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