ORP - What is this connection [answer: ground points]

[Gravel-n-Grits]

What is this connection, it goes no where in my gas only ORP. It goes no where from this point, connects with nothing. Its located close to the firewall. There are two other closer to the radiator that go no where as well. Can anyone tell what these are for.

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[ToyoTech808]

Ground points.