Another alarm problem

Hello All
My 05 has returned to sounding off on its own. Went through the usual checklist, 12v battery, fobs & their batteries, etc.
Here’s my question: Does anyone know the specific location of the security horn? The factory diagrams show it on the pass. side of eng. compartment, but I can’t see it around there. Both front horns have been disconnected and I can hear the third horn but can’t let it run for too long since I live on a somewhat crowded street.
Part #8651047030
Thanks,
Bill

 

Thanks SFO. I have a laptop with the software/dongle adapter but I’ve avoided using it as I’ve been told that it is tricky to do hence my preference for an “analog” solution to the problem (i.e. wire cutters.) I’m hoping that someone here has actually had their eyes on this part’s location in the engine compartment
Thanks,
Bill
p.s. I had been on this site 6yrs ago, few posts, but forgot my log-in info so re-registered with fresh user name.

 

No experience with this part?