2010 FORD F750 horn

Passenger compartment fuse panel
Fuse/Relay
LocationFuse Amp
RatingFuse Description
1 20A Horn
2 15A Flasher relay
3 20A Cigar lighter
4 10A Data Link Connector (DLC), Engine
diagnostic connector, Parking brake warning
5 15A Blend door actuator, Function selector switch
assembly, Trailer tow relay, Trailer ABS,
Daytime Running Lights (DRL), Climate
mode, Heated seats, Exhaust brakes, Back-up
lamps switch
6 — Not used
7 — Not used
8 5A Radio, GEM
9 5A Power window switch LED and relay
10 15A Heated mirrors
11 5A Wiper and washer systems
Roadside Emergencies
144
2010 F-650/750(f67)
Supplement(supplement), 1st Printing
USA(fus)

Fuse/Relay
LocationFuse Amp
RatingFuse Description
12 10A Brake pedal position switch, Transmission
shift selector, Stoplamp switch, Cruise
switches
13 20A Cluster, Radio
14 10A Interior lamp relay
15 10A Interior lamp relay, Vanity mirror lamps,
Generic Electronic Module (GEM)
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 relay
24 15A Vacuum pump motor, ABS relay, Fuel heater
relay, Air dryer
25 10A Function selector switch assembly
26 10A Right hand low beam headlamp
27 — Not used
28 10A Left hand low beam headlamp
29 10A Cluster, GEM
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
Roadside Emergencies
145
2010 F-650/750(f67)
Supplement(supplement), 1st Printing
USA(fus)

Daily owner checks
EngineCheck the air filter restriction gauge.
Check the engine oil.
Inspect the coolant level
Brake systemCheck the air brake system reservoir
automatic drain valve operation.
Drain the air brake system reservoir -
manual valve.
Transmission systemVisually check the automatic
transmission for fluid leakage.
Steering systemCheck the power steering pump fluid
level and check the system for leaks.
Check the entire vehicle for evidence
of fluid leaks.
U.S. Department of
Transportation, Federal
Highway Administration
requirements (ensure that
the entire system is
functioning properly)Check the service brakes.
Check the parking brake.
Check the steering mechanism.
Check the lighting devices and
reflectors.
Check the tires.
Check the horn.
Check the windshield wipers.
Check the rear vision mirrors.
Check the wheels and rims.
Check the emergency equipment.
Scheduled Maintenance Guide
243
2010 F-650/750(f67)
Supplement(supplement), 1st Printing
USA(fus)