Yes, all of my side marker lights are filled in - I've seen it done before in Pennsylvania and the cars have passed state inspection - I doubt anyone even knows what a Maverick is anymore or if they came with them from the factory
I had very little welding experience before I tackled this project and learned as I went - I was going to use skim coats of filler to even out where the sections were welded in - I was talking to a body shop owner, getting tips from him about doing the filler process