I have no spark on the coil my truck won’t turn on not sure?

Tiny
HIDDEN
  • MEMBER
  • 1994 FORD F-150
  • 5.0L
  • V8
  • 2WD
  • AUTOMATIC
  • 274,000 MILES
I have no spark on the coil my truck won’t turn on not sure.
Wednesday, April 7th, 2021 AT 2:55 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,796 POSTS
Good afternoon,

I attached a wiring diagram for you. Check for power to the positive side of the coil with the key on.

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

https://www.2carpros.com/articles/how-to-use-a-voltmeter

https://www.2carpros.com/articles/how-to-test-an-ignition-system

You may have a bad ignition control module which was very common. I attached the procedure for you to view below.

Roy
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Monday, June 28th, 2021 AT 1:08 PM

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