Mainly i want to know what color the o2 sensor wire is so i can repair it and run it properly again. Here are some of the leading illustrations we obtain from different resources we hope these images will work to you and also with any luck extremely appropriate to just what you want regarding the ka24e engine diagram is. For all of you looking to do your own wiring for various reaons here is a pinout for the s13 240sx ecu showing what each pin goes to this should only be used as a supplement to the factory service manual without which you should not be doing any wiring at all.