im bout to drop in my ls swap in my rex but im not good with wiring...

1: its b18a1 so its obd1 i believe wut harness should i use?
(i already have the obd0 to obd1 ecu conversion)
2: how can i tell if my distr. is obd1 or 0?

* i kno its askin alot but if someone knows the run down on how to wire it up or what i need or knows a link to somewhere please lmk.