Do not cut the wires.
The driver-side pass-thru harness connects to the ECU, C-203 and ALDL.
Simply remove the connectors and pull the harness thru to the engine side.
Your new swap harness will connect to the PCM, C-203, and the OBDII ALDL.
[This message has been edited by olejoedad (edited 03-15-2015).]