Inspection and Verification
INSPECTION AND VERIFICATION1. Verify the customer concern.
2. Visually inspect for obvious signs of electrical damage.
VISUAL INSPECTION CHART
Electrical
- CJB fuse(s):
- 3 (10A)
- 5 (10A)
- 108 (30A)
- 109 (30A)
- 115 (20A)
- Upfitter relay box fuse 701 (5A)
- Upfitter relay No.1
- Upfitter relay No.2
- Upfitter relay No.3
- Upfitter relay No.4
- Upfitter relay box
- Upfitter relay switch(es)
- Circuitry
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. GO to Symptom Chart. Diagnosis By Symptom (Upfitter Relay Box)