K 1500 Suburban 4WD V8-393 6.5L DSL Turbo VIN S (1996)
Lamps-on Warning Alarm Fails On
No Audible Warning Alarm Functions
Troubleshooting Hints
1. CHECK that GAGES FUSE 4, ILLUM FUSE 14 and STOP/HAZ FUSE 1 are not open. If Fuse(s) is open, then LOCATE and REPAIR source of
overload and REPLACE Fuse(s).
2. CHECK that Ground G200 is clean and tight.
3. CHECK Fasten Safety Belts Indicator for an open filament.
4. CHECK that Audio Alarm Module is securely mounted in Convenience Center.
5. CHECK that the LH Door Jamb Switch operates freely.
6. If the Lamps-On Warning Alarm is inoperative CHECK to see that the Panel Dimmer Switch is not in the fully dim position.
7. If the Fasten Safety Belts Warning Alarm remains present after 5 seconds, then the Audio Alarm Module may have failed.
8. Failure of two of the three Alarm Functions may indicate Audio Alarm Module failure.
9. Refer to "Instrument Panel Dimming" for diagnosis of Instrument Panel Dimming System. See: Lighting and Horns/Testing and Inspection
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CHECK for a broken (or partially broken) wire inside of the insulation which could cause system malfunction but prove "GOOD" in a
Continuity/Voltage check with a system disconnected. These Circuits may be intermittent or resistive when loaded, and if possible, should be
checked by monitoring for a Voltage drop with the system operational (under load).
^
CHECK for proper installation of aftermarket electronic equipment which may affect the integrity of other systems (Refer "Troubleshooting
Procedures"). See: Diagrams/Diagnostic Aids
