Remover the socket head cap screws from the fender struts and remover the tail light/ turn signal wiring from the tabs underneath the fender and you should be home free.
Unscrew the rear chrome screw on top of fender and a screw on left and right side of seat and pull up and back and remove.
You don't remove the fender; the battery is behind the inner fender well behind the rear driver's-side tire.
The front fender might, but the tank would require modification and the rear fender from an '05 is too wide.
which fender frontor rear front
Remove the driver's side rear wheel; remove the inner fender well behind the wheel.
It's under the seat and bolted to the rear fender.
Accessing the battery on a 98 FLHTC, remove the trunk from the docking hardware and you will find one screw at the back end (rear fender end) of the seat in the center of the rear fender, remove the screw and slide the seat to the rear until the locking tongue blade under the front of the seat clears the frame tab. The battery is located under the seat.
Removing the rear fender from a 2007 Vulcan 900 is not hard at all. Simply remove any screws or fasteners and wiring that are holding the fender in place. There are tutorials for removing the fender online at YouTube.
It is underneath the seat mounted on the rear fender........
with the motorcycle on the ground install tire change tool from tool kit across the tabs on the frame then put motorcycle on center stand. Remove rear fender bolts to raise rear fender, remove axle bolt then remove rear tire.
It has to be cut off.