The first item looks suspiciously like the Oil pressure sender.
Check to see if there is a hole in the driver's side of the block around the oil filter...
The second one I am not totally sure of.
It is difficult to say but an educated guess (from the second picture) would be the plug that fits onto the back of the alternator. I don't see any wires or visible green on the back of the alternator...
Hope this helps!
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