auto to manual wiring

[foress_89]

Hey guys I own a 93 240sx that has already been swapped from auto to manual. I don't know how long ago, I don't know nothing about it except that the guy sucked hard at wiring. Actually I only realized it was a swap after buying it... Anyway I took the car all apart to fix holes all around it, and I must have unplugged something because it won't start now... it won't turn over. I looked at the HOW-TOs for auto to manual conversions but my car ain't automatic anymore it's been fooled with already. I got some pictures and questions.

Is this wiring normal? I'm talking about the white wire.

What is this plug for, why would anyone fool around with that?

I got more pics but nothing that will tell you much... What are the color of the wires on the plug I have to jump to make the car start? I looked on all data for the "inhibitor" - or something like that - switch and it says B/W and B/Y but I can't find anything those color....

I'll deal with the backup lights later...