Engine Wish me luck

Wish me luck

I am trying some thing I dont think anybody has done yet in here....I think.
I am trying to put an apexi fc and power comander for my 01 rolla.I have been working on it for the last 2 days just trying to figure out what wire is what.I have to repin the connectors the same as a 2000 celica gt. 1st I had to see which wires are the same in the e7, e8, e9 and e10 connectors. If anybody knows how to take the pins out with out messing them up and any other tips will be helpful.......thanks