This is a separate part which simply snaps into the zūmo® Motorcycle Mount as if it were the GPS, in order to protect the gold-plated contacts from the elements.
Mounting System for Perch Mount (only partially shown)
This is what I mount my cell phone on (plugged into the USB cable both for power and for potential Spotify and Pandora interaction with GPS, for playing music).
This USB connector cable is part of the zūmo® Motorcycle Mount. This cable branches out from the cable that comes out of the zūmo® Motorcycle Mount Head Unit, and is routed neatly underneath the GL1800's top shelter, and secured safely alongside the left handlebar wiring harness.
The following is the list of mounting hardware that comes in the zūmo® 595LM GPS box:
Motorcycle Mounting Hardware:
zūmo® Motorcycle Mount, Garmin part number: 010-12110-00, powered by the mount itself, intended to be permanently installed on (and wired to) the motorcycle,