Flow of Diagnosis

1. Verify the customer concern by operating the trailer towing package.
2. Visually inspect for obvious signs of mechanical and electrical damage:

VISUAL INSPECTION CHART

Electrical
^ Blown fuse(s)
^ Corroded/loose connector(s)
^ Loose/broken wire(s)
^ Failed bulb(s)

3. If concern is not visually evident, determine the symptom and proceed to the Symptom Chart. Symptom Related Diagnostic Procedures