What is this?

[Efancki]

Can anyone tell me what this is and if it needs to be secured to something. I have been chasing a grounding out issue and I think this May be it. Please help.

 

[Trazy2017]

Can anyone tell me what this is and if it needs to be secured to something. I have been chasing a grounding out issue and I think this May be it. Please help.

View attachment 3316

There is main ground under front coolant hose. Clean that first