FORD 2002 E-450 v.2 - Manual (Page 166)

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
Fuse Amp
Rating
Power Distribution Box
Description
1 — Not used
2 — Not used
3 — Not used
4 10A* Powertrain Control Module (PCM)
Keep Alive Memory, Instrument
cluster, Voltmeter
5 10A* Right trailer turn signal
6 10A* Left trailer turn signal
7 20A* Clearance lamps
AB
3 2
1
46 57
15
14
13
12
11
10
9
8
23
22
21
20
19
18
17
16 24
26
25
27
29
CD
G
F
E
K
J
H
28
Roadside Emergencies
166