Need Electrical Help
#11
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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.
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.
Thank you again
#12
![Default](https://blazerforum.com/forum/images/icons/icon1.gif)
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.
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.
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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