i recently dropped a jdm b20b into my 90 integra. i am now in the process of attempting an obd 1 conversion. i have a jumper harness, obd 1 ecu, and obd 2 distributor(i was told this distributor would work). my question is when i went to plug the distributor into the harness i noticed the ends were different. the plug that is on the wireing harness of my car has 5 wires and my obd 2 distributor has 7. in order to change these plugs out in order for them to match up i need some sort of wiring diagram to see which wires i need to add or subtract depending whether i change the plug on the cars wiring harness to obd 2 or if i change the plug on the distributor to obd 0. sorry for the lengthy post. any help would be great. thanks

 

http://www.rywire.com has distributer conversion harnesses, might be worth it to take a look

 

msd also makes a conversion harness for theee dist it will work as well
part # msd 8864

 

OBD0
1Orange
2White
3Orange/Blue
4White/Blue
5Blue/Green
6Blue/Yellow
7Large White
8Black/Yellow
9Blue

OBD1
1Orange
2White
3Orange/Blue
4White/Blue
5Blue/Green
6Blue/Yellow
7Yellow/Green
8Black/Yellow
9Blue

OBD2
1Dark Blue
2White
3Green
4Red
5Yellow
6Black
7Yellow/Green
8Black/Yellow
9Blue

If its a 90 it should have seven wire on one plug and 2 on the other.

 

so an obd2 distributor will work on an obd 1 conversion right?...this kinda sucks cause i wired up the distributor to a diagram for a obd 1 distributor....haha well i can see where tommorrow is going already

 

is there something similar to that wire listing you have for an obd 1 conversion harness. ive got a few wires that im not sure where they go and its the last part of my conversion. also the wires listed for an obd 2 distributor dont exist on my distributor they all match up to the obd 1 listings. im so very confused