If you'd like the convenience of a vanity mirror in the trunk of your GL1800 then the Show Chrome Lighted Vanity Mirrors is a perfect addition to your bike. The Inner Trunk Light Harness is required for installation so make sure you order both.
The Lighted Vanity Mirror mounts, with screws provided, to the inside of the trunk surface to the existing trunk lid bosses
Requires an additional Inner Trunk Light Harness (sold separately)
Dimension 8 3/4"L x 4 1/2"H x 1"W