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Spark on 1 and 4

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tc1155

Probationary Member
29
0
Sep 15, 2005
kenmore, New_York
Ok so I have spark on 1 and 4 using a spark tester. 2 and 3 get nothing. At the ignition module I have a signal making it there on both channel 1 and channel 2. So I know the ecu is working. The ignition module I have worked when the car drove in so I tested using the diy test with the test light and the battery and the light came on when it was suppost to and didn't when it suppost to. So I know the cas is sending the signal to the computer and in return the ecu is sending the signal to the ignition module. Now I replaced the ignition module with a new one and I still have the same issue. On a side note when I crank the motor over I also do not have a tach signal . Any help and input would be very helpful. I tried to twist the terminals on the ignition module alittle to make sure there is a good connection and still got nothing. Maybe i didn't twist them enough.
 
Maybe it's not the ...Ignition module... your talking about the Power transistor right?
Maybe it's the coil itself?
 
I forgot to mention im running a coil on plug setup and a 6 bolt swap. Ohm test on the coils read all about the same .
 
COP without a CDI?
Who wired the COP up?
There is a few write ups on here on how to proprly wire-up a Coil-on plug setup, I would check that after the CAS wiring...
Edit:
Also helps to fill your profile out if your asking for help...
 
Its a 97 gst with a 6 bolt I wired it accoding to the diy version on here. Im almost thinking that Maybe I have one of the triggers mixed up with the fuel trigger. Does this sound possible
 
Well I seem to have spark coming from the yellow wire on the 90 cas. The spark is on 2 cylinders but the white wire doesn't not seem to be doing anything.
 
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