No, they do not, the fuel pump ground is under the rear seat while the ECM ground is under the dash on the left side here are the engine wiring diagrams so you can see what I am talking about and how the system works.
This guide can help you check the wiring as well:
https://www.2carpros.com/articles/how-to-check-wiring
Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
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Tuesday, May 3rd, 2022 AT 6:13 PM