ECM connector colors
Good morning guys, I am trying to track down a miss in my engine. I want to test each fuel injector with plenum off. Mark H has a procedure where he says to unhook the Grey harness to the ECM and ground a number of pins to energize each injector. I don't have a gray connector. I have a yellow, red, green and brownish one. Did they change colors during production? Any help would be appreciated. Thanks.
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