I assumed your accord was obd0.
I have no clue about accord history
If your harness & ecu are already obd1, then wiring your obd1 f22 harness up for your obd1 h22 swap shouldlnt be that bad.
Wiring guide into an eg:
http://www.honda-tech.com/zerothread?id=650329
Just gives ya an idea as to what your looking forward to.