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Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
304 — Not used
305 Full ISO relay Upfitter control
306 Full ISO relay Delayed accessory
307 Full ISO relay Starter
601 30A circuit
breakerDelayed accessory, Power
windows, Moonroof
602 — Not used
* Mini fuse ** Cartridge fuse
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.
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
Batterysection of theMaintenance and Specificationschapter.
2007 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Roadside Emergencies
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The high-current fuses and relays are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingPower 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 — Not used
8 — Shunt
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)
12 2A** Brake pressure switch
13 15A** Daytime Running Lamps (DRL)
2007 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Roadside Emergencies
218
Page 219 of 312
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
14 — Not used
15 15A** IDM logic (Diesel engine only)
16 — Not used
17 10A** A/C clutch
18 10A** IDM relay (Diesel engine only)
19 — Not used
20 10A** Trailer tow back-up lamps
21 — Not used
22 60A*** ABS (Coils)
23 60A*** ABS (Pump)
201
1 2ISO relay Trailer tow right turn signal/stop
lamp
202
1 2ISO relay Trailer tow left turn signal/stop
lamp
203
1 2ISO relay A/C clutch
204 — Not used
205
1 2ISO relay DRL #1
206
1 2ISO relay DRL #2
301 Full ISO relay DRL #3
302 — Not used
303 Full ISO relay Blower
304 High-current
relayIDM (Diesel engine only)
* Cartridge Fuse ** Mini Fuses *** Maxi fuse
2007 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Roadside Emergencies
219