I did a lot of continuing testing. On the left the These are the coordinated color of the wires at the ecu and the end pin location to the p75 is in red. The pin locations in white are where they in turn go to the conversion harness on the obd0 side. On the right is a grey square representing the harness side on the o2 plug And where continuity is to the end of the engine harness. The colors used are not the Actual colors. Those colors are what they should be according to the obd1 pin out