engine wiring help

thats it?? haha.. so just wire the blue (hot?) and brown (ground?) ballast wires to the dist. and the hot wire to the alt? and the rest associated to those things can be cut out? also, what is the small red box on the drivers fender? i already dissasembled the car including pulling the harness out. also im debating getting the the march a/c kit. any help on wiring that? sorry for all the questions, im just not good with wiring and i dont want to screw this up :angry7: not to mention having to pay for a second harnes if i screw it up