DESCRIPTION & OPERATION
If driver's seat belt is not buckled, and ignition is turned to "ON" or "START" position, seat belt warning system will light "FASTEN SEAT BELTS" indicator and sound buzzer for 4 to 8 seconds.
If the driver's belt is buckled after buzzer sounds, buzzer will remain on 4 to 8 seconds. When ignition is turned to "ON" position, current is supplied through timer to buzzer circuit and indicator light circuit.
Light will always remain on until timer turns off current. Buzzer will only sound if driver's seat belt is not buckled before turning on ignition.
Chrysler Seat Belt Warning System Wiring Diagram (FWD Models). Scheme 1
Ford Seat Belt Warning System Wiring Diagram. Scheme 2
Note. Also see chassis wiring in WIRING DIAGRAM section.
NO SEAT BELT BUZZER OR LAMP
Check power from ignition switch. Replace timer/buzzer.
NO SEAT BELT BUZZER
Check seat belt switch. Test continuity between switch and timer/buzzer. Replace timer/buzzer.
NO WARNING LAMP
Check power and ground connections. Check for burned out indicator bulb. Replace timer/buzzer.
SEAT BELT BUZZER AND INDICATOR ALWAYS ON
Check for short to ground in seat belt switch or wire. Open ground connection for timer/buzzer. Replace timer/buzzer.
KEY BUZZER DOESN'T OPERATE
Check fuse. Check door jamb switch for proper operation. Check for open circuit.
KEY BUZZER ALWAYS ON
Check for short circuit to ground between key and door switch, or inoperative door switch.
