2009 FORD F750 fuse

WARNING:To reduce risk of electrical shock, always replace
the cover to the Power Distribution Box before reconnecting the
battery or refilling fluid reservoirs.
Fuse/Relay
LocationFuse Amp
RatingFuse Description
1 15A* Main light switch
2 30A* Power seat (driver)
3 30A* Power seat (passenger)
4 15A* Washer pump relay, Washer pump motor
5 5A* Full power brake switch
6 15A* Air intake heater (Caterpillar engine only)
7 15A* Stoplamp switches (Air brake vehicles only)
8 25A* Fuel heater relay (Caterpillar
engine-equipped vehicles with dual fuel tanks
only)
9 20A* Inhibit relay, Engine ECM, Cluster,
Transmission TCM
10 15A* Heated drain valve
11 30A* Electric trailer brake
2009 F-650/750(f67)
Supplement
USA(fus)
Roadside Emergencies
147

Fuse/Relay
LocationFuse Amp
RatingFuse Description
12 20A* Daytime Running Lamps (DRL), Blend door
actuator, Climate mode, Back-up, Heated
seats, Trailer ABS, Exhaust brake
13 10A* Park brake switch
14 — Not used
15 7.5A* Body builder - trailer adapter stoplamps
16 5A* Bendix Air ABS (Air brake vehicles only)
WABCO ABS (Hydraulic brake vehicles only)
17 — Not used
18 10A* Fuel transfer pump (duel fuel tanks only)
19 — Not used
20 — Not used
21 — Not used
22 — Not used
23 — Not used
24 — Not used
101 30A** Bendix Air ABS relay (Air brake vehicles
only)
WABCO ABS modulator relay (Hydraulic
brake vehicles only)
102 20A** Ignition switch to customer access
103 20A** Ignition switch (Junction box fuses 8, 9, 10,
11, 19, 29 and 30)
104 20A** Power point
105 20A** Power door locks
106 30A** Main light switch, Multifunction switch, CJB
fuses 16, 26 and 28, Headlamps, DRL relays
107 50A** Junction box fuses 1, 2, 3, 4, 12, 13, 14 and
15
108 40A** Fuel heater relay (Cummins engine only)
109 40A** Power window relay
110 30A** Wiper power relay (Park, Low/High speed)
2009 F-650/750(f67)
Supplement
USA(fus)
Roadside Emergencies
148

Fuse/Relay
LocationFuse Amp
RatingFuse Description
111 30A** Park lamps relay, Park lamps
112 40A** Blower motor relay, Blower motor
113 30A** Heated seats, Air ride seat
114 25A** Hydraulic ABS ECU power
115 20A** Ignition switch, Central Junction Box fuses 8,
9, 10 and 11, Starter motor relay
116 30A** Left/Right turn relays, Back-up lamp relay
117 20A** Stoplamps relay
118 60A** Hydraulic brake vehicles (Trailer tow package
only)
119/120 60A** Hydraulic brake vehicle (Trailer tow package
only)
Air brake vehicles (Trailer tow package only)
121/122 60A** Hydraulic brake, ABS system
Air brake trailer tow fuse block
201 — Washer pump relay
202 — Wiper speed relay
203 — Wiper on/off relay
204 — Wiper power relay
205 — RH stop/turn relay
206 — LH stop/turn relay
207 — Hydraulic ABS event relay
208 — Back-up lamps relay
209 — Stoplamp relay
301 — Fuel heater/Fuel transfer pump relay
302 — Park lamps relay
303 — Blower motor relay
304 — Not used
* Mini fuse **Maxi fuse
2009 F-650/750(f67)
Supplement
USA(fus)
Roadside Emergencies
149

Relay Center
The relay center is located on the instrument panel behind the passenger
side airbag panel. The relays are dependent upon the options on your
vehicle.
Fuse/Relay
LocationFuse Amp
RatingDescription
EMPTY — Not used
INHIBIT
RELAY (if
equipped)— Inhibit relay
RUN RELAY
(if equipped)— Run relay
ABS RELAY
(if equipped)— ABS relay
FLL PWR
BUZZER
RELAY (if
equipped)— Full power buzzer relay
MIER RELAY
(if equipped)— Eaton UltraShift only starter interlock
RELAY — 2-Speed axle
2009 F-650/750(f67)
Supplement
USA(fus)
Roadside Emergencies
150

Fuse/Relay
LocationFuse Amp
RatingDescription
DRAIN
RELAY (if
equipped)— Drain relay
WIF/EXH
RELAY (if
equipped)— Water in fuel / Exhaust relay
FLL PWR
WARN RELAY
(if equipped)— Full power warning relay
FAN RELAY
(if equipped)— Fan relay
START
ENABLE (if
equipped)— Start enable relay
FLASHER (if
equipped)— Flasher relay
POWER
WINDOW (if
equipped)— Power window relay
FULL POWER
BUZZER (if
equipped)— Full power buzzer relay
WARNING
CHIME
MODULE (if
equipped)— Warning chime module relay
2009 F-650/750(f67)
Supplement
USA(fus)
Roadside Emergencies
151

Trailer tow relays (if equipped)
Fuse/Relay
LocationFuse Amp
RatingDescription
1 30A* Trailer tow ABS feed (non electric trailer
brake vehicles only)
2 30A* Trailer tow park/marker lamps
3 30A* Trailer tow stop lamps
4 30A* Trailer tow turn/stop lamps (combined)
Trailer tow turn lamps (separate)
5 — Not used
R1 — Trailer tow ABS relay (non electric trailer
brake vehicles only)
R2 — Trailer tow marker lamp relay
R3 — Trailer tow stop lamp relay
R4 — Trailer tow tail lamp relay
R5 — Not used
R6 — Not used
R7 — Trailer tow left turn lamp relay
R8 — Trailer tow right turn lamp relay
*Maxi fuse
2009 F-650/750(f67)
Supplement
USA(fus)
Roadside Emergencies
152

Inline fuses
Your vehicle has two inline fuses located in/on the battery cables by the
battery. A 10A fuse for the transmission control module and a 40A fuse
for the engine control module. Refer toAutomatic transmission
operationin theDrivingchapter andBatteryin theMaintenance and
Specificationschapter for more information.
Your vehicle may have three inline fuses located in/on the battery cables
by the battery. A 10A fuse for the transmission control module, a 40A
fuse for the engine control module, and a 40A fuse for the Full Power
Brake Pump. There is also a 30A fuse for the Full Power Brake Pump by
the cowl.
JUMP STARTING
WARNING:The gases around the battery can explode if
exposed to flames, sparks, or lit cigarettes. An explosion could
result in injury or vehicle damage.
WARNING:Batteries contain sulfuric acid which can burn skin,
eyes and clothing, if contacted.
Do not attempt to push-start your automatic transmission
vehicle. Automatic transmissions do not have push-start
capability. Attempting to push-start a vehicle with an automatic
transmission may cause transmission damage.
Before connecting a fast-charger, booster battery or installing a new
battery, make sure the ground polarities of the fast-charger, booster
battery or alternator (when installing a battery) are matched to the
ground polarity of the vehicle battery. Improper usage of the
fast-charger, hook-up of booster battery or installation of a new battery
can cause damage to the electrical system or to the alternator. Do not
attempt to polarize the alternator.
Preparing your vehicle
1.Use only a 12–volt supply to start your vehicle.Do not attach the
jumper cables to the glow plug relay as this could severely damage the
glow plugs, injector driver module and PCM.
2. Do not disconnect the battery of the disabled vehicle as this could
damage the vehicle’s electrical system.
2009 F-650/750(f67)
Supplement
USA(fus)
Roadside Emergencies
153

•Covered battery tray shown.
Battery tray with steps similar.
The two rubber straps on top of
the cover must be pulled up and
moved to the side of the battery
in order to remove the lid.
•Battery tray with cover removed.
Maintenance-free batteries do not normally require adding additional
water.
Make sure the battery cover/shield is reinstalled after the battery
has been cleaned or replaced.
For longer, trouble-free operation, keep the top of the batteries clean
and dry. Also, make certain the battery cables are always tightly fastened
to the battery terminals.
If you see any corrosion on the battery or terminals, remove the cables
from the terminals and clean with a wire brush. You can neutralize the
acid with a solution of baking soda and water.
It is recommended that the negative battery cable terminal be
disconnected from the battery if you plan to store your vehicle for an
extended period of time. This will minimize the discharge of your battery
during storage.
If the engine cranks but does not start, remove the battery box cover
and check the 40A inline fuse located on the battery cable above the
battery.
2009 F-650/750(f67)
Supplement
USA(fus)
Maintenance and Specifications
183