Which fuse is the OBD2 port connected to?

2004 FORD ESCAPE
192,000 MILES • 3.0L • 6 CYL • 2WD • AUTOMATIC
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HASADIAH ACE COLEMAN
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  • 3 POSTS
I know it's not the cigarette lighter and more than likely it's fuse 27 or 23.
Aug 29, 2022 at 9:34 AM
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 POSTS
It is fuse #27.

Here is a guide to help you test it for power and I have included the ALDL connector wiring diagrams so you can see how the system works:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.
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Aug 29, 2022 at 2:38 PM
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