HAILERS

****what could be wrong, i was reading another thread and HAILERS said that if the tach bounces then i have spark****

Well, I was half right on that statement. It means you have spark at the TRAIL plugs, not for sure on the LEADS.

But, that should rule out any thoughts about it being a fuse, main relay, and ECU grounds. Both coil assy use the same fuses for power and the ECU uses the same ground (2C).

If you use a meter AT the ECU, looking BACK TOWARDS THE CAS, and ring the four wires out thru the coils in the CAS....that should show whether the cas wiring is any good.

And you know the engine will run on just the Trails because you've seen that for yourself in the past on your n/a.

Part of me is tempted to tell you to swap your na ECU into your turbo and give it a try. They're both about the same year? One a 326..the other a 332? If those are th numbers I'd have a go at that. I've done that in the past on my na and turboii for starting purposes. I WOULD NOT DO THAT if your numbers are not those.

Beware of test lights. I don't own one and never have uses one...but I understand they might/can put too much of a load on some ECU components and fry them so to speak.

I've no idea why your LEAD coil is not firing since your Trail is. The only thoughts that come to mind are the ECU or the coil not being bolted to the frame with at least one bolt/fastener. The coil/ignitor is grounded thru the assy's body.

WAYNE88N/A

damn, HAILERS, your finger twitchin'? good point on the body ground for the coil assy, I forgot about that one

HAILERS

You know, the more I think about it, you might get your meter out and ohm out the Green/Yellow wire from the LEAD coil assy to the ECU. And even if it ohms out, giggle the wiring at each end of that wire to see if the circuit goes open or not.

That's the Trigger wire for the Lead coil assy. No trigger, no fire. It's a repeat of the suggestion of using a scope to see if there is a trigger from the ECU.....but no Scope, you gotta do something and ohming out that wire makes sense.

It's the green/yellow wire in that two wire connector a the lead coil assy. The other wire is the black/yellow that you've already said had 12volts. Forget about that and ohm out the green/yellow to pin 1V on the ECU.

No itchy fingers here......it took forever to get the last post ...posted. It seems my 504 is always TIMED OUT, whatever that means.

Someone else might confirm this....but I figure is the Trail Coil works on a car......then the wires/coils in the cas have to be good ...

gergrx7

well.... i fixed the problem. when my dad(who is a mechanic) wired up the new o2 sensor(becuace i lost the wire when wrapping the wires up) striat to the ecu he put it in the leadign coil spot. so we fixed that and its all fixed.

it still hesitates though. like a huge bog at low rpms. not quite sure what it is. but damn it pulls hard. a little to hard. 14psi in second gear. so i gotta pull the turbo off and port the wastgate soem more.