Help after blower install

[19VelocityBlueGt]

Hello any help would be appreciated. Car is a 2019 mustang gt pp1 auto.
I evidently forgot to hook back up the round ground wire by the passenger side top of valve cover? Does anyone know what ground this is for? Pictures in post. Thank you!! Thought it went where the photo is shown but the hole isn’t large enough.

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[19VelocityBlueGt]

Hello any help would be appreciated. Car is a 2019 mustang gt pp1 auto.
I evidently forgot to hook back up the round ground wire by the passenger side top of valve cover? Does anyone know what ground this is for? Pictures in post. Thank you!! Thought it went where the photo is shown but the hole isn’t large enough.

It does go where the photo shows as I did find the ground nut for it... But does anyone know what ground it’s exactly for??..

 

[Ninpop9]

Send a pic of what the harness leads to.

 

[19VelocityBlueGt]

Send a pic of what the harness leads to.

It’s the main engine harness on top of passenger side valve cover..

 

[Ninpop9]

It’s the main engine harness on top of passenger side valve cover..

Probably just a regular engine ground, considering its on the main harness above the valve cover it could be for the fuel system specifically.

 

[Strokercrate]

Engine ground. If you find a separate smaller wire and a diode block its also a filter that helps eliminate EMI. I haven't looked for those on the Coyote but they attach in a similar spot on the 5.4l 2v

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