Inspection and Verification
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
- Verify the customer concern.
- Visually inspect for obvious signs of mechanical or electrical damage.
- If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step
- If the cause is not visually evident, verify the symptom and refer to Symptom Chart: Electronic Locking Differential (ELD) System
Visual Inspection Chart
| Mechanical | Electrical |
|---|---|
| Rear axle assembly Matching tire sizes |
BJB Fuses fuse 30 (10A)fuse 69 (25A)fuse 80 (25A)fuse 81 (10A) Wiring, terminals or connectors MSS ELD field coil TCCM |