Power distribution box

The power distribution box is located in the engine compartment. The power distribution box contains high-current fuses that protect your vehicle’s main electrical systems from overloads.
WARNING: Always disconnect the battery before servicing high current fuses.
WARNING: To reduce risk of electrical shock, always replace the cover to the power distribution box before reconnecting the battery or refilling fluid reservoirs.
If the battery has been disconnected and reconnected, refer to the Battery section of the Maintenance and Specifications chapter.

The high-current fuses are coded as follows:




See also:
Reporting safety defects (Canada only)
If you believe that your vehicle has a defect which could cause a crash or
could cause injury or death, you should immediately inform Transport
Canada, using their toll-free number: 1–800–333–0510 ...
Troubleshooting
...
Second generation (2003–2006)
The Navigator was updated in 2003, along with the Ford Expedition, on the new
Ford U platform. The interior was also substantially revised to bring it up to
the level expected by luxury buyers. So ...
