HELLO, I JUST HAD MY MOTOR OVERHEAT ,BUT I NEVER HEARD ANY BUZZING,SO I FOUND OUT HOW TO CHECK THE BUZZER,TURNED OUT I JUST HAD TO WIGGLE IT A LITTLE,NOW IT WORKS (DONT THINK I WILL HEAR IT WHILE MOTOR IS RUNNING), MY QUESTION IS, HOW DO I CHECK THE TEMPERATURE SWITCHES , TO MAKE SURE THEY EVEN...