OK, let's see if a photo is worth a lot of words.
This is the frame member that a mounting bracket could be attached to from under the coach:
This is the frame member with the generator out showing that it does not move with the generator slide:
Front view of the frame member and fixed airduct:
The lights would have to be mounted on a bracket that allowed them to be close to the airduct and below the front cap to avoid the front cap closing against them.
Hope this helps.