Plug the new conversion harness in between your Civic's C101 plug and the 05-06 engine harness' C101 plug.

On your Civic's ECU 'E' plug, make the following changes:

1.  Move the wire at ECU pin E1 to E17

2.  Move the wire at ECU pin E26 to E25

3.  Insert the orange wire from the conversion harness to pin E2

4.  Insert the green wire from the conversion harness to pin E12

5.  Insert the white wire with green stripe from the conversion harness to pin E26

6.  Insert the white wire from the conversion harness to pin E8

7.  Connect the long black wire with yellow stripe to +12v switched from the fuse box

8.  Connect the long black wire with white stripe to +12v constant from the fuse box.