Wiring harness diagram needed

Tiny
MATTS13
  • MEMBER
  • 1989 FORD F-150
  • 5.0L
  • V8
  • 2WD
  • AUTOMATIC
  • 30,000 MILES
Hi,
Do you have any nice pictures with engine wiring harness schematic? I mean everything with coil, injectors, all sensors etc. It is a 1989 302 5.0 efi unit.
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Tuesday, November 16th, 2021 AT 6:48 AM

1 Reply

Tiny
KASEKENNY1
  • EXPERT
I am attaching all these diagrams. It appears all sensors are on these two systems (fuel and ignition) so it should have everything you need.

Here are a couple guides that can help when doing these types of repairs:

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-use-a-test-light-circuit-tester

Please run through this and let us know what other info you need.

Thanks
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Wednesday, November 17th, 2021 AT 7:16 AM

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