Complete Chart Lighter Kit - Complete Kit--Element has on/off switch for the chart light enclosed in the handle. 20", 18-gauge wire harness with attached lug connectors and spade terminals. Three holes for #6 flathead hasteners. 3" W x 1-3/4" H. Requires 2-1/2" depth behind panel. 1-1/8" dia. installation hole. 12-Volt DC ONLY.