C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
Audible Warning Device: Description and Operation
Seat Belt Alarm
Seat Belt Alarm
This system activates a warning lamp for about 75 seconds and a buzzer for about 8 seconds when the ignition switch is turner to the RUN position, and
the driver's seat belt is not buckled.
The warning lamp will be constant for the first 20 seconds, and then flash for the remaining 55 seconds. The buzzer only turns on, and will stay on, when
the driver's seat belt is not fastened during the 8 seconds period. The warning lamp and buzzer has the following sequence of operation:
Driver's Seat Belt Unfastened
When the ignition switch is turned to the RUN position,the warning lamp illuminates constantly for 20 seconds, and then flashes for the remaining
55 seconds. The buzzer turns on and stays on for 8 seconds and then turns oft. If the driver's seat belt buckle is fastened before the 8 secondsis
over, the buzzer turns on for the balance of the time delay.
Driver's Seat Belt Fastened
When the ignition switch is turned to the RUN position, the warning lamp turns on and the buzzer stays oft. At the end of 75 seconds, the warning
lamp turns off. If the driver's seat belt buckle is unfastened prior to 8 seconds, the buzzer turns on for the balance of the 8 seconds delay.
