Do u guys see any thing wrong or that u would do differant with these diagrams i made up to hook my ms v3 m1 (-2 tooth cas) to a stock 86 s4 n/a harness w/o the maf hooked up,,before i fry some thing lol. Iam going to use a stock plug off an old ecm to hook to the harnesss!

iam not sure about how i will ground the ms and sensor just yet (any info)


stock oem cas wires are shield

for the fuel pump w/o maf iam just going to unplug the brwn/blue wire and use another one from a old harness i have to hook to ms pin 37


thanks

 

Any info on the grounds,, the stock harness (2c) is were all the sensor ground to but its not a true ground,,it only ground when hooked up to the stock ecm(grounds through the oem ecm) any info on were u should ground sensors for the ms or should u just ground them together,,iam guessing there is a reason y mazda did this (noise?) but iam not sure?
(EDITED THE FIRST PIC NOW I CANT EDIT POST)

 

I think everything your looking for is in this tread.

https://www.rx7club.com/showthread.p...t=plug+harness