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IO've had the car for 4 days now, and while I think the wires were crossed on the coil, I'm not 100% sure. In any case, I don't think it had anything to do with the no start issue.
As Art put it, everything is/was good in KPII (run). All the wires check out, correct voltages, readings, etc... Only when trying to start the car (KPIII, cranking) does the problem occur.
Evidently, the blue wire pretty much powers everything. And when in KPII, everything looks good. When cranking (KPIII), all of the power goes away! This was evidenced by the test light going dark on the coil test.
Since the coil is in the middle of the circuit, I figured I could power the circuit by adding in a hot +12v source direct to the coil. Current would go both ways, back to the ign. switch, and out to the P.S. and the ICU.
When I did this, the car fired right up. And since the circuit is corrct in KPII, once started, I can remove the jumper wire and the car runs fine.
This leaves me to trouble shoot the ignition switch, which is made up of 3 parts: The key cylinder, the part that makes the connections (I don't know the name of this part), and the wiring block which plugs into the back.
The key cylinder doesn't affect this, so it's of no consequece.
The middle part could be the problem, but I checked a spare that I had, and there was no change.
That leave the wiring terminus, which I will investigate tomorrow. I'll do a check for continuity both in KPII and KPIII, and see what I get. Hopefully it will be pretty evident, and it will be back on the road ASAP.
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