Small part ID

[N2BUICK]

I'm on a mission to sort my Buick parts before the GS Nats. Can someone help on what this is used on.

 

[WE2Regal]

I think that bracket bolts on where the engine wiring harness comes through the firewall under the heater/Ac housing?

 

[TurboWh1]

I think that bracket bolts on where the engine wiring harness comes through the firewall under the heater/Ac housing?

Yes

 

[N2BUICK]

I think that bracket bolts on where the engine wiring harness comes through the firewall under the heater/Ac housing?

Yes, that's it. I remember it now, a pretty obscure part for sure.
Thank you sir.