Machine screw + matching hex nut – (we’d some laying around from that knows whenever. You could use a self-tapping metal screw, but we wanted to keep the camper exterior as clean as possible and opted to mount inside-out if you wanted to mount from the outside)
Anti-Oxidant Joint Compound – improves the conductivity of aluminum electrical connections
Grinder/Dremel for cleansing your steel chassis and wall
Drill + bits to complement your screw option