FORD 2005 F-550 v.3 - Manual (Page 222)

The high-current fuses and relays are coded as follows.
Fuse/Relay
Location
Fuse Amp
Rating
Power Distribution Box
Description
1 30A* Wipers
2 40A* Blower
3 30A* Electronic Shift on the Fly
(ESOF)
4 — Not used
5 50A* Injector Driver Module (IDM)
(Diesel engine only)
6 — Not used
7 30A* Horizontal Fuel Conditioner
Module (HFCM) (Diesel engine
only)
8 — Not used
9 20A** Trailer tow turn signals
10 10A** Powertrain Control Module (PCM)
keep alive power, Canister vent
solenoid (gasoline engine only)
11 10A** Anti-lock Brake System (ABS)
2005 F250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA_English (fus)
Roadside Emergencies
222