The one thing that is common to both the coils and injectors is that the power is supplied by the ASD Relay. If you can get a wiring diagram you will see that there are many splices on this circuit. It is the dark green with orange tracer wire. A factory wiring diagram would be best as it would show the locaton of the splices .
http://www.oplin.org/databases/proxy...%2fframerq.asp You can use this link in the box type 12345 and click on submit; choose the Meigs library in the drop down box and click on submit. When the page loads click on the ARRC and choose what you want from there. You want to pick the wiring diagrams and then engine controls. The 2nd page in the engine controls diagram will show you what I am talking about.