Ford E150 2002 Owner's Manual page 166

Roadside Emergencies
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
3
4
5
6
7
166
Fuse Amp Power Distribution Box
Rating
— Not used
— Not used
— Not used
10A* Powertrain Control Module (PCM)
Keep Alive Memory, Instrument
cluster, Voltmeter
10A* Right trailer turn signal
10A* Left trailer turn signal
20A* Clearance lamps
Description