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I determined that if one connection of the wiring is power the other must be the ground. So positive link to bulb, bulb link to negative connection on injector harness. If I then try to start the motor there should be some kind of blink/glow to say that the wire is grounding out somewhere and fireing that injector. But I got nothing, no circut.

While that sounds logical I am not at all sure that the ECU would attempt to fire an injector that had the resistance of a light bulb. It might it might not. If you think about how fast the engine turns even at a slow idle I'm not sure that the bulb would even light up.

Basic troubleshooting methods dictate that when a definite problem is identified, you fix it before going on to other tests. There is no way for you to know how the *known* defective TPS & AFM are messing with your ECU's software. Troubleshooting is a systematic process. You start investigating the most obvious area & fix problems as they are identified until the original problem's gone.It's a tried & true method that works more often than it fails.

Ignoring the defective parts is going to cost you extra time & effort in fixing your rig. It's your call & your time, do what you think will work.

Dave