Thread: seeking professional help, ignition system

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  1. #1 seeking professional help, ignition system 
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    Looking for specifics on ignition system. I just bought myself a 00 gt, I was told it had low fuel pressure and needed new pump. I started going over EVERYTHING,,,, and was able to determine the ICM would trigger 1/4 coil always, the 2/5 coil never, and the 3/6 coil whenever it felt like it. So I replaced the ICM after checking for cam and crank sensor signals and moving coils around to confirm they are good. I have found lots of good info on this site just haven't found this exact issue. Thanks for any suggestions.
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  2. #2 Re: seeking professional help, ignition system 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    So you have replaced the ICM, but still see no current on the 2/5 coil and sometimes on the 3/6?

    What brand ICM did you buy?

    Are the coils free of cracks/corrosion and are they black (aka stock coils)??

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  3. #3 Re: seeking professional help, ignition system 
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    ICM from autozone, duralast I think. The 1/3 coil is black with a yellow insert on bottom at ICM terminals. The other coils are all black. I have checked for spark with a HEI spark tester and also check for trigger signal at ICM.
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  4. #4 Re: seeking professional help, ignition system 
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    It turns out,,,, when I pulled the balancer to ck sensor, I found 1 tab for the 18x side of the hall sensor was bent flat instead of sitting at 90 degrees. I bent it back and installed balancer, she started right up !!!!!!!!
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