need some questions answered for swaping engines

[Maikool]

okay, i got 2 cars, white 180sx and a red 180sx... the red one was in a accident and the engine was fine... the white 180sx i baught of a mate who blown the motorboth SR20DET, red 180 is a 1993 with a red top, and the white 180sx is a 1994 with a black top

so like you can notice, im going to change the red top into the white 180sx

Q1: is red top and black top very alike? Q2: will the wiring looms be the same?

..i think thats about it.. XD

if you need more info on anything just ask.