New Thread -- 240D Still Not Running

[Redpeople]

Many of you followed along and offered advice on my troubles in this thread: <sigh> Another "240D Won't Start Thread". It seems to have died a natural death, but I still don't have a running car. I'm exploring a different line of attack but haven't received any input on it, so I'm going to repeat my last post here (hopefully I'm not violating forum rules):

OK, here's another angle that I hadn't thought of. When I was first trying to figure out the glow plug problem and find the inline fuse, I popped the cover off the plug right above the fuse holder that goes into the dash. (See photo) Anyway, when I popped the cover off, I broke a piece off the bakelite plug itself, so the cover doesn't snap on tightly any more and I had just left it off.

When I was working on it today, I discovered that the glow plug light wasn't lighting and the plugs weren't glowing. I then noticed that the some of the pins in the aforementioned plug were loose. I pushed them in and the glow plugs started working again.

So my question is this: Is there anything in this plug or wiring harness that has to do with the kill function on the engine and is it possible that is keeping my engine from starting? Related question, how exactly does the "ignition" switch work to kill the engine? I understand how gas ignition engines work, but not these diesels.

BTW, I WILL still adjust the valves within the next few days, but I know if I go through that process and still have no luck I will be incredibly frustrated. Just want to cover all my bases.
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