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  #11  
Old 09-19-2011, 09:09 AM
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Originally Posted by Magmotor
Here's a step by step to check the coil & ignition mod on a GM 4.3, 5.0. & 5.7 engine.
Part 1 -Ignition Control Module (ICM) Test: GM 4.3L, 5.0L, 5.7L.

You can also go to You Tube, plenty of vids on testing a coil using a spark tester.
This is what I am looking for thank you very much I will be checking it out today

Thank you again
 
  #12  
Old 09-28-2011, 11:33 AM
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Originally Posted by Magmotor
Here's a step by step to check the coil & ignition mod on a GM 4.3, 5.0. & 5.7 engine.
Part 1 -Ignition Control Module (ICM) Test: GM 4.3L, 5.0L, 5.7L.

You can also go to You Tube, plenty of vids on testing a coil using a spark tester.
I did all of the test's here but had some funny results on TEST 6: Verifying the Ignition Coil's Switching Signal

When I connected the black lead of the LED test tool with the red lead attached to Battery (+) terminal the LED light came on and that was with the ignition switch off and then when I turned the ignition switch to on position the light went out and didn't flash. I even tryed it with the Lead going to the Ignition module disconnected the LED light still stayed on.

HELP!!!!!!!!!!!!!!
 
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