have you got abs already or not
pump swaps are easy, but retro fitting the abs kit is a bit more complicated, expescially if you don't know if you've got the correct assembly for your car or not as they different between left and right handed as well as 2 and 4wd cars
also the loom is stand alone other than the light in the dash and the power feed from the ignition, but the 4wd stuff has extrta relays in the fusebox