I bought a jdm vtec d15b engine for my 94 honda civic lx. The engine came with the wiring harness cut and my old one doesnt plug up exactly. Does anyone know what or how I need to re wire my new engine? I have a jdm vtec ecu p08 in the mail. Do I need to wait for the ecu to start wiring the car? The mechanin where my car is says I need to order a new harness, is this true or do I just need to re-wire a few sensors?