I RECENTLY HAD A PROBLEM W/ MY "BUSA" . IT STARTED W/ ME FLUSHING THE OLD A-FREEZE W/ NEW "ENGINE ICE" LIKE I HAD POSTED BEFORE, I WENT THROUGH EVERY FINE DETAIL TWICE AND MADE SURE I DID'NT MISS ANYTHING. NEXT, I THOUGHT THE WATER PUMP WAS BAD (REPLACED IT) AND NO CHANGE. I REPLACED THE THERMOSTAT AND THE FAN MOTOR RELAY TODAY AND NOTHING. BOTTOM LINE IS THE "BUSA" RUNS, BUT THE TEMP. GAUGE CLIMBS GRADUALLY W/OUT THE FAN KICKING ON. MY FAN WILL NOT COME ON AT ALL. I SHUT HER DOWN JUST ABOVE THE 1/2 WAY MARKER. I AM TRYING TO FIND OUT IF THE FAN SWITCH COULD BE REPLACED BUT I CAN'T FIND A PART# ON MY FICHE. I DON'T KNOW IF IS THE FAN SWITCH, FAN MOTOR WIRING CONNECTOR, OR THE (ECT) SENSOR. ANY HELP WOULD BE GREATLY APPRECIATED.