Disassembled cleco'd wingtip. Installed the AeroLED nav/strobe/position light using the backplate pre-cut when I did the starboard wingtip. Grounded the 3 locations (black wire/cable shield/mount bracket) to front spar. Butt connecteted and shrink wrapped the light to the cable and secured. Riveted the front and back to the wing as well as the joint where the two halves meet. Tested the assembly using a 9V transistor battery. Everything looks good.