Here is the deal;

89 civic dx
1'st gen b16a with mostly all obd0 sensors, except;
obd1 distributor
obd1 injector resisitor box
obd1 speedo sensor

other than the last 3 things, every sensor in the car is obd0

I bought an OBD1 engine harness off of a DOHC VTEC motor on ebay. I still have the obd0 harness from inside the car to into the engine bay.
I'm not sure yet if the harness I bought is from GSR, or Del Sol vtec. Any way I can tell? I'm sure the GSR would have another plug for the secondary intake runners, but I'm not sure what I'm even looking at......... Is there an easier way?

Should I rewire the stock sensors to work with new harness, or purchase new obd1 sensors? I figured re-wire, but has anyone had any complications doing this?

Also, should I just make new plugs to adapt the engine harness to the older obd0 wiring that goes to the ECU? Or should I go to the local salvage yard and dig out another 1/2 of a harness????

Sorry so long, but a little direction would be nice.
My helms was thrown away by a "friend" at work, so I'm flying blind.