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WARNING: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.
The high-current fuses are coded as follows:
Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
1 Relay Blower motor/Variable blower control
(Dual Zone Climate Control)
2 Relay Electronic Shift-on-the-Fly (ESOF)
Lo-Hi
3 Relay Heater mirror
4 — Not used
5 30A* Trailer Brake Controller (TBC)
6 40A* ABS module (Pump)
7 30A* Upfitter auxiliary switch #1
8 30A* Upfitter auxiliary switch #2
9 40A* ABS module (Coil)
10 20A* Cigar lighter
11 20A* Instrument panel power point
12 15A** Brake On/Off (BOO) relay feed
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
13 5A** Brake switch, Brake switch relay coil,
SJB module, 4x4 module
14 — Not used
15 — Not used
16 Relay A/C clutch
17 Relay Wipers
18 Relay Fuel Pump Driver Module (FPDM),
Fuel injectors (Gasoline engines),
Diesel Fuel Control Module (DFCM)
(Diesel engine)
19 Relay Back-up lamps, Reverse Sensing
System (RSS), Engine compartment
fuse 63
20 Relay Trailer stop/turn (Left)
21 Relay Trailer stop/turn (Right)
22 Relay Stop lamps, Center High-Mounted
Stop Lamp (CHMSL), TBC, Customer
access
23 15A** Heater mirror, Heated spotted mirror
24 40A* Blower motor relay
25 — Not used
26 30A* ESOF relay lo-hi
27 50A* Glow Plug Control Module (GPCM) #1
(Diesel engine only)
28 20A* Heated mirror relay
29 30A* Passenger power seat
30 10A** A/C clutch relay
31 15A** Power fold mirror relay
32 20A** Fuel pump relay
33 20A** Back-up lamp relay
34 25A** Trailer stop/turn relay
35 5A** ESOF relay coils
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
36 10A**Gasoline engines:Powertrain
Control Module (PCM) keep alive
power, Canister vent
Diesel engine:Engine Control
Module (ECM) keep alive power
37 10A** Transmission Control Module (TCM)
(Diesel engine only)
38 — Not used
39 50A* ECM power (Diesel engine)
40 30A* Starter relay
41 20A* Power point (Center console - Front)
42 30A* Trailer park lamp relay
43 20A* Power point (Center console - Rear)
44 30A* Trailer battery charge relay
45 30A* Driver power seat or Memory module
46 40A* Run/Start relay
47 50A* GPCM #2 (Diesel engine only)
48 30A* ESOF relay hi-lo
49 30A* Wiper motor
50 30A* PCM relay coil, PCM relay (Gasoline
engines only)
51 — Not used
52 — Not used
53 Relay PCM power bus (Fuses 68, 70, 72, 74,
76) (Diesel engine only)
54 Relay Starter solenoid
55 Relay Trailer tow park lamps
56 Relay Trailer tow battery charge
57 Relay Power Distribution Box (PDB) bus
(fuses 67, 69, 71, 73, 75, 77)
SJB Run /Start bus (Fuses 29–37, 46)
58 Relay ESOF hi-lo
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
59 Relay PCM power bus (Fuses 68, 70, 72, 74,
76) (Gasoline engines only)
60 Diode One touch start (OTIS)
61 Diode A/C clutch
62 Diode Fuel pump
63 15A** Trailer tow back-up lamps
64 5A** Mirror marker lamps
65 — Not used
66 — Not used
67 — Not used
68 — Not used
69 — Not used
70 10A**Gasoline engines:A/C clutch relay
coil, Refrigerant Containment Switch,
Heated PCV
Diesel engine:A/C clutch relay coil,
Clutch switch, Fuel pump cooler, A/C
cycle pressure switch
71 5A** Fuel pump relay diode, PCM/ECM
Run/Start power
72 15A**Gasoline engines:Ignition coils
Diesel engine:Engine TCM
73 2A** Reverse Camera System (RCS)
74 20A**Gasoline engines:VPWR: HEGO,
CMS, MAFS, EVMV, CMCV, VCT,
IMTV
Diesel engine:VPWR: Engine loads
75 5A** Back-up relay coil power
76 20A**Gasoline engines:VPWR: PCM
Diesel engine:VPWR: ECM
77 10A** ABS module logic
* Cartridge fuses ** Mini fuses
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Pedals (see Power adjustable
foot pedals) ...............................115
Power adjustable foot pedals ...115
Power distribution box
(see Fuses) ...............................322
Power door locks ......................155
Power mirrors ...........................111
Power point ...............................107
Power steering ..........................283
fluid, checking and adding ....395
fluid, refill capacity ................405
Power Windows .........................108
Preparing to drive
your vehicle ...............................284
R
Radio ................................26, 28, 35
Rear seat entertainment
system ..........................................51
Relays ........................................318
Remote entry system ...............159
illuminated entry ............164–165
locking/unlocking doors ........155,
160–161
replacing the batteries ...........162
Reverse camera .........................294
Reverse sensing system ...........292
Roadside assistance ..................315
S
Safety belts
(see Safety restraints) .....181–186
Safety defects, reporting ..........356
Safety restraints ................181–186
Belt-Minder...........................189extension assembly ................192
for adults .........................182–186
for children .............................202
lap belt ....................................187
warning light and
chime ...............................188–189
Safety restraints - LATCH
anchors ......................................215
Safety seats for children ..........206
Safety Compliance
Certification Label ....................410
Satellite Radio Information ........48
Seats ..........................................172
child safety seats ....................206
cleaning ...................................364
heated ........................................84
memory seat ...................161, 177
SecuriCode keyless entry
system ........................................166
SecuriLock passive
anti-theft system ...............168–169
Servicing your vehicle ..............367
Setting the clock
AM/FM/CD .................................30
AM/FM/In-dash 6 CD ................37
Snowplowing ...............10, 312–313
Spark plugs,
specifications .....................404, 409
Special notice ..............................11
ambulance conversions ............10
diesel-powered vehicles .............9
four-wheel drive vehicles .......314
utility-type vehicles ..................10
Speed control ............................116
Starting your vehicle ........275–277
jump starting ..........................343
2009 F-250/350/450/550(f23)
Owners Guide, 3rd Printing
USA(fus)
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