Inspection and Verification

INSPECTION AND VERIFICATION

1. Verify the customer concern.
2. Visually inspect the following for obvious signs of mechanical or electrical damage.

VISUAL INSPECTION CHART

Electrical
- Central junction box (CJB) fuse(s):
- 3 (10A)
- 5 (10A)
- 29 (10A)
- 108 (30A)
- 109 (30A)
- 115 (20A)
- Upfitter relay box fuse 701 (5A)
- Circuitry
- Upfitter relay No.l
- Upfitter relay No.2
- Upfitter relay No.3
- Upfitter relay No.4
- Upfitter relay box
- Upfitter switch(es)

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. If the cause is not visually evident, verify the symptom. GO to Symptom Chart. Symptom Related Diagnostic Procedures