Inspection and Verification (Start Testing Here)

1. Verify the customer's original concern by operating the horn system to duplicate the condition.
2. Inspect to determine if one of the mechanical or electrical concerns apply:

VISUAL INSPECTION CHART

Mechanical
- Verify that horn retaining screw is tight.
- Verify that horns are not touching surrounding sheet metal or other components.

Electrical
- Verify that the ground of the horn is good by inspecting connection for corrosion.
- Check system fuse.
- Check wiring for obvious short or opens.
- Check connectors for obvious damage.

3. If the inspection reveals obvious concerns that can be readily identified, Service as required.
4. If the concern(s) remains after the inspection, determine the condition and go to the Symptom Chart. Symptom Related Diagnostic Procedures