alright, its OBD2a. so ill just get a OBD2b to OBD2a conversion harness...

now, about the wiring. will all i need to wire is...
Vtec Pressure switch
Vtec solenoid
Knock sensor
IAB solenoid (B18c)

?? my 00 ex alrdy has vtec so do i need to add wires for those 2? how do i go about wiring the other 2?