Ford AM/FM stereo Owner's Manual page 147

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.
Always disconnect the battery before servicing high current
fuses.
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.
Fuse/Relay
Location
1
2
Fuse Amp
Rating
—
—
Roadside Emergencies
Power Distribution Box
Description
Powertrain Control Module (PCM)
diode
Alternative Fuel Control Module
(AFCM) diode (Natural gas
vehicle only)
147