My 91 VR4 has a crank no start issue. Fuel pressure and spark and all 6 plugs. Pulled the injectors, they are clean, I tested their spray using a can of carb cleaner. I hooked up a noid light to the injector harness, the noid light is flashing, but extremely dim. The filament is glowing a bit, but it can only be seen from up close, and not when its bright out. The ECU is receiving good chassis ground, I checked pins 72, 13, and 26, they all have good grounds. So I did some experimenting. I am assuming the the injectors receive constant positive signal with the key on, so I checked the resistance between between the positive on the injector harness and the battery positive, it was pretty high, I don't remember what exactly. So I hook one side of the noid light to the ground side of the fuel injector harness, and hook up the other side to the battery positive. And that made the noid light flash very bright while cranking. So can I assume that the injectors are receiving good ground pulse from the ECU? And if so, where could the problem be in the wiring. What gives a +12V to the injector harness?