Working on cockpit light. Drill hole in bottom of the roll bar at the top of the arc ( see Pic 1 ) Use a piece of safety wire and insert into hole and back down the inside right section of the roll bar. Drill 3/8 hole in the roll bar attach plate and install snap bushing for wire to go through. Cut plastic tube to 30 inches and pull light wires up through the snap bushing and the tube with the safety wire while inserting the tube up inside the roll bar. Then push the tube into the snap bushing to hold it into place and protect the wires. Install the light mount bracket per instructions and rivet into place.