A CUSTOMER BRINGS HER CAR INTO THE
SHOP WITH A COMPLAINT THAT BOTH
HEADLIGHTS ARE NOT WORKING.
TECHNICIAN A SAYS TO CHECK THE CONDITION OF THE BULBS FIRST. TECHNICIAN B CHECKS THE FUSE IN THE HEADLIGHT CIRCUIT & THEN TESTS THE OPERATION OF THE HEADLIGHT SWITCH WHO IS CORRECT AND WHY ?
HELP ME ASAP