FORD 2007 E-450 v.1 - Manual (Page 172)

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.
Fuse/Relay
Location
Fuse Amp
Rating
Power Distribution Box
Description
1 — Powertrain Control Module (PCM)
diode
2 — Auxiliary battery diode
3 15A* Daytime Running Lamps (DRL)
module, A/C clutch
4 5A* Heated PCV (4.6L and 6.8L
gasoline engines)
5 15A* Horn relay
6 — Not used
7 60A** Ignition switch, Accessory delay
2007 Econoline (eco)
Owners Guide (post-2002-fmt)
USA (fus)
Roadside Emergencies
172