What was found
PILOT DEPARTED AND WAS ENROUTE WHEN A BURNING ODOR BECAME EVIDENT IN THE COCKPIT AND THEN FOLLOWED BY VISIBLE SMOKE COMING FROM THE LT SIDE OF THE INSTRUMENT CENTER CONSOLE. PILOT INITIATED EMERGENCY PROCEDURES AND LANDED AT A SUITABLE LZ WITHOUT INCIDENT. UPON INVESTIGATION BY THE TECHNICIAN IT WAS DETERMINED THAT THE PULSE LIGHT POWER SUPPLY HAD A CATASTROPHIC FAILURE CAUSING THE SMOKE. THIS PULSE LIGHT WAS MOUNTED NEAR THE AVIONICS COOLING FAN WHICH WAS DRAWING THE SMOKE IN AND DIVERTING THROUGH THE RADIO STACK MOUNTED IN THE CENTER CONSOLE.