need help with mfi swap

hey guyz i have a 91 dx swapin to a d16 v-tec the y5 engine an i need help through the mfi swap i know i need a obd2 harness under the hood harness for the plugs which car does the harness in so i can go to the bone yard.i allready have everything else for my swap need help in this area.Thanx to u guyz im allmost done.Thanx