JDM_Scrappy

need help on my wiring for 99 Ek, pretty much i have a cx wiring harness and ecu OBD2b but apportunately i got me a 99 ex harness, and i endup splicing the distrubitor wire which lead me with a blue extra wire and also i got 2 plug extra which i dont knoe what the heck is it and i also tried to see if i got a check engine light to fix it but when i tried to start the car the engine light and oil light is not even showing up so some pls help me do this swap the write way. and 1 more thing is it ok if i use my old cx obd2c ecu?