Initial Inspection and Diagnostic Overview

1. Verify the customer complaint by operating the horn.
2. Visually inspect for obvious signs of electrical damage using the following chart.



Electrical
- Damaged Horn
- Blown fuse
- Damaged wiring harness
- Loose corroded connections

3. If a fault is not visually evident, determine the symptom and proceed to the symptom chart. Symptom Related Diagnostic Procedures