Getting no fire to the coil?

1996 CHEVROLET TRUCK
200,000 MILES • V8 • 2WD • AUTOMATIC
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SUPERGREGZ3
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  • 3 POSTS
truck was running fine one day and the next it wouldnt start. Lost fire. Check igntion module, Nothing. Check all fuses none blown. Have no blinkers either, But i still have all other lights and flashers. Dont know what to check now or where to start. no fire at the coil
Jul 26, 2010 at 1:53 AM
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DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
Hi

In engine compartment check Mini fuse ECM1 20 amp also test for voltage pink wire at injector.

Let me know
Jul 26, 2010 at 6:29 AM
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SUPERGREGZ3
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Check ECM1 Fuse its ok check voltage pink wire its ok.
Jul 27, 2010 at 6:23 AM
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DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
At coil check voltage on Pink wire if good put test light on white/black wire crank does light flash?
Jul 27, 2010 at 7:58 AM
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SUPERGREGZ3
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I get nothing at the coil at all? Do i need to use my test light while tring to start it. Or just turn on the key ?
Jul 27, 2010 at 11:19 AM
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DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
Key on check Pink wire that is same wire powered by ECM1 fuse as injectors. So if no voltage then something a miss in wiring. Here is a guide and the wiring diagrams so you can how how the system works.

https://www.2carpros.com/articles/how-to-check-wiring



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Jul 28, 2010 at 6:21 AM
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