I am not sure but you indicate some electrical issues. . Are your glow plugs working properly though as these are also electrical in nature. The light on the dash is not a certainty. Fortunatly there is a simple test. Watch the interior light. It should dim some until the glow plugs turn off.

Good news! I posted another Thread and someone says that my Injection Pump is off 180 degrees and that's why I'm getting unburnt fuel spraying out the exaust. Thanks for the advice everyone! I will update when I get this fixed in a week or too!:-D:-D

Referenced to the other thread: 1997 OM606 Injection Pump from Turbo car installed on NON Turbo car, Not Starting

You did not mention r&r of the injection pump. It cannot all of a sudden go off by 180 degrees.

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85 300D turbo pristine w 157k when purchased 161K now
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked

With all due respect, as another poster mentioned, if you removed your injection pump from the engine, that "information" was vital to getting a proper answer to your question. As the other poster mentioned, if you did not remove your pump, then that thread will be useless in solving you issue.

"This car did start 5 days ago, ran great."

If the car did start and ran great, and you did not remove the injection pump, then you are barking up the wrong tree.

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96 E300d

Not absolutely valid. That the injection pump is or is not on right has to be verified. Does not require pulling it to establish this. You are right though without the information the injection pump was changed we may never have guessed the issue or it would have taken a very long time to get there.