You need something to hold up the engine and a helper to line up the tranny assy on re-assembly but it's doable

2 person. Someone needs to guide it back in

J.H.C!!
Finally

Take apart. remove battery
CAREFULLY, pull the prongs up a little for a better connection
Put back together

Yes. it will. However I would wait until it's warmer out and try to remove the old trim first. Many times these stick on pieces when lightly heated WITH THE INTERIOR WARM will pop right off, many times in one piece when pried correctly. I don't think you realize the difficulty in changing that cente...

One of the strut mount nuts is also a good ground