What was found
FLIGHT 1010, WHILE AT CRUISE ALTITUDE, EXPERIENCED SMOKE IN THE COCKPIT EMANATING FROM THE THROTTLE QUADRANT. SEVERAL CBS WERE POPPED. DECLARED EMER, DIVERTED & PERFORMED CHECKLISTS. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. ACFT WAS REMOVED FROM SERVICE. REPLACED BURNED WIRING TO CONNECTOR P1-430, CONNECTOR P1-430 & SWITCH S1-4.