Trying to keep from making too many thread so ill post 2 questions in one thread.I have a 89 honda civic si hatch and im swapping my b18a1 into it.

1st. I have 2 plugs on the 89 si harness that im not sure what to do with.
This one was on the back of the 89 si intake mantifold:


This was threaded into the 89 si manual transmission:


2nd. The injector plugs on the 89 si harness wont connect to my b18a1 injectors. Should i use the d16 injectors or should i splice the b18a1 plugs into the 89 harness?

Any info is appreciated thanks.