Hi Ii own a 91 crx si I swapped in a ls vtec b series motor pr3 obd ecu I need help with wiring. On passenger side fire wall plugs I have a 8 pin rectangle plug with bigger wires and then there is a 6 pin plug almost square an then there is a big round plug with a bunch of smaller wires in it I'd lie to have labeled pin out for all 3 plugs and wha they're used for jus to have for reference but I do need asap he 8 pin rectangle pinout and every thy go to so I ca finish up my harness. Ps. My car didn't have a harness and I pined in what I could figure out so far just want some verification that I'm doing OK so far thanks. And i understand just buy a harness for your. I do have the harness for my car butit had bin hacked up an cut so I'd rather learn an know what's going on with my car for future reference I have all stock colors and pins t pin where there not from other obdo harness