Right Wing Tip + Light Installation
Right wing tip was installed, along with lights installation.
Right wing tip was installed, along with lights installation. It required some dimpling as well as countersinking. Additionally, for the lights, solder sleeve was used to connect the wires to the lights. The light itself was also tested by connecting the power supply to the wires at the wing root.
Photos
Dimpling on the skin with hand dimpler. 
Wing skin dimpled for the tip installation. 
Countersinking the tip, using the countersink tool. 
Right wing tip countersunk. 
Fishing the strobe/nav light wire using another wire from the outside of the tip. 
Wire fished through the tip. 
Tip ready for riveting. 
Tip riveted to the right wing. 
Wires connected using solder sleeve. 
Tip installation complete with the nav/strobe light.
Tools
Other than the usual tools, a hand dimpler was used, it can be found here: https://www.aircraft-tool.com/Detail?id=AE552