2009 FORD F750 Owners Manual

Passenger compartment fuse panel
Fuse/Relay
LocationFuse Amp
RatingFuse Description
1 20A Horn relay
2 15A Flasher
3 20A Cigar lighter
4 10A Diagnostics, Parking brake warning
5 15A Blend door actuator, Climate mode, Back-up
lamps, DRL signal, Heated seats, Trailer ABS,
Exhaust brakes
6 — Not used
7 — Not used
8 5A Radio, GEM 4
9 5A Power window switch LED and relay
10 15A Heated mirrors
11 5A Wiper motor, Washer pump relays
12 10A Stoplamp switch (Hydraulic brake vehicles
only), Allison push-button shifter
13 20A Cluster, Radio
14 10A Interior lamp relay
2009 F-650/750(f67)
Supplement
USA(fus)
Roadside Emergencies
145

Fuse/Relay
LocationFuse Amp
RatingFuse Description
15 10A Interior lamp relay, GEM, Vanity mirrors
16 15A High beams, Indicator
17 — Not used
18 5A Headlamp switch interior lighting
19 15A Engine control
20 5A Starting system
21 10A DRL resistor
22 15A Air horn, Air suspension dump, Two-speed
axle, Driver-controlled locking differential
23 10A Flasher
24 15A ABS, Air dryer, Vacuum pump, Fuel heater
relay
25 10A Function selector switch
26 10A RH low beam headlamp
27 — Not used
28 10A LH low beam headlamp
29 10A Cluster warning lamps, Gauges, GEM,
Hydraulic ABS
30 15A Allison electronic transmission
31 — Not used
Relay 1 — Interior lamps
Relay 2 — Not used
Relay 3 — Horn
Relay 4 — One-touch down window
Relay 5 — Not used
Power distribution box
WARNING:Always disconnect the battery before servicing high
current fuses.
2009 F-650/750(f67)
Supplement
USA(fus)
Roadside Emergencies
146

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