F 350 2WD Pickup V8-460 7.5L VIN G EFI (1997)
Seat Belt Reminder Buzzer: Description and Operation
When the key is turned to RUN or START power is supplied through Circuit 640 (R/Y) to the warning chime/buzzer module, which then supplies power
through Circuit 450 (DG/LG) to illuminate the fasten belts indicator for six seconds, whether or not the driver safety belt is buckled.
The safety belt warning will sound for approximately six seconds unless the driver safety belt is buckled.