Greetings, new to the forum not sure if this was discussed before but not seeing any info after checking the site for couple weeks. I have a 2003 Honda Civic ES model and I'm in the process of swapping in a K20a3 engine and transmission form a 2006 RSX base. I notice that the wiring guide for the 02 sensor is for the a2, most people saying it's basically the same but I'm not able to complete because 1 wire is missing from the base model which is pin 15 (white wire) which is the primary oxygen sensor heater (+). is there a work around for this? Thanks for the assistance.