Initial Inspection and Diagnostic Overview

TRAILER LAMPS

Inspection and Verification

1. Verify the customer concern.

2. Verify the exterior lighting system of the vehicle is operating correctly. If not, see the appropriate pinpoint test.

3. Visually inspect for obvious signs of electrical damage.

Visual Inspection Chart





4. If the concern is not visually evident, verify the symptom. See - Symptom Related Diagnostic Procedures.