Quote:
Originally Posted by wutsaiu
Very interesting. My subaru ECU is removed and I did not ground anything. Car has been running since 2015. I guess this is specific to the way you wired everything. I took a very standalone route.
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Those grounds go to the ECU... if you've bypassed the ECU, they wouldnt be needed.
I was able to eliminate one entire connector from the ECU, got side tracked trying to kill a FAST fuel rail leak before I got much further.