Wiring question

Real quick… this is in regards to an OBD1 motor swap going into an OBD1 car.

I know there are 3 wires for VTEC (two leads going to the ECU and one going to a ground) and one wire for the knock sensor going to the ECU as well.

What I was wondering if this is it… is there already a wire for the purge solenoid going to the A20 ECU pin on a 92-93 Integra (also, of course, is the purge receiving 12V power as well).

Thanks in advance.