D16 OBD1 SWAP to b16a2 obd2 Questions

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New Member
i was told that i can use my d series wiring harness....is this true? it seems way too easy to just bolt in and connect everything?
From what i've read and heard, you almost always have to swap a few connectors, lenghten some wires here and there, and change the ecu. Also if the motor is obd2 and the harness is obd1 i believe that you have to adjust some of the sensors such as the o2. I could be wrong on this but at least its a start =D