Page 77 of 164

Protected components
Fuse amp rating
Fuse or relay number
Brake lamps.
10A*
M5
Radio capacitors.
20A*
M6
Ignition coils.
Backup lamp relay coil.
5A*
M7
Air conditioning clutch coil.
Air conditioning demand switch.
Catalyst monitor sensor.
20A*
M8
Engine heated exhaust gas oxygen sensor
#11 and #21.
Vapor management valve.
Powertrain control module power.
20A*
M9
Not used.
—
M10
Powertrain control module relay keep alive
power.
5A*
M11
Powertrain control module relay coil.
Parking lamps feed.
20A*
M12
Not used.
Diode
D1
Fuel pump.
Diode
D2
Air conditioning clutch.
Diode
D3
Not used.
—
R2-1
Powertrain control module relay feed
(power distribution box fuse M6, M7, M8,
M9).
30A**
J1
Fuel injectors.
20A**
J2
Fuel pump motor.
Mass airflow sensor.
Powertrain control module.
Cigar lighter power point.
20A**
J3
Diagnostic connector.
Blower motor.
40A**
J4
Headlamps.
30A**
J5
Daytime running lamps on/off relay coil.
Headlamp daytime running lamp relay
feed.
74
Motorhome (TY3) Canada/United States of America, enUSA, First Printing Fuses
Page 78 of 164
Protected components
Fuse amp rating
Fuse or relay number
High beam headlamps flash to pass.
(Instrument panel fuses #25, 31).
Ignition switch feeds (instrument panel
fuses #F26).
40A**
J6
Instrument panel fuses #F24, F22, F20,
F26, F21, F8, F6, F4, F2.
40A**
J7
Power distribution box fuses M4, M1-4.
Instrument panel fuses F11, F13, F15, F17.
50A**
J8
Starter relay feed.
30A**
J9
Starter motor solenoid.
Power distribution box fuse M1-1.
60A**
J10
Power brake assist motor (Hydromax).
Trailer tow electronic brake.
30A**
J11
Lighting primary.
60A**
J12
Power distribution box fuse M1-2.
Instrument panel fuses #F19, F5, F3.
Not used.
—
J13
Horn.
20A**
J14
4–channel anti-lock brake system module.
60A**
J15
Trailer tow parking lamps.
20A**
J16
* Mini fuse.
** J-case fuse.
Diode and Relay Module
Locate the module box with the power
distribution box in from of the radiator.
75
Motorhome (TY3) Canada/United States of America, enUSA, First Printing Fuses
Page 89 of 164
UNDER HOOD OVERVIEW - COMMERCIAL CHASSIS
Engine coolant reservoir. See Engine Coolant Check (page 89).
A
Engine oil filler cap. See
Engine Oil Check (page 88).
B
Automatic transmission fluid dipstick. See
Automatic Transmission Fluid
Check (page 93).
C
Engine compartment fuse box. See
Fuses (page 65).
D
Engine oil dipstick. See
Engine Oil Dipstick (page 88).
E
Air filter assembly. See
Changing the Engine Air Filter (page 100).
F
Power steering fluid reservoir. See
Power Steering Fluid Check (page 97).
G
Brake fluid reservoir. See
Brake Fluid Check (page 95).
H
86
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Page 90 of 164
UNDER HOOD OVERVIEW - MOTORHOME CHASSIS
Engine coolant reservoir. See Engine Coolant Check (page 89).
A
Engine oil filler cap. See
Engine Oil Check (page 88).
B
Automatic transmission fluid dipstick. See
Automatic Transmission Fluid
Check (page 93).
C
Engine compartment fuse box. See
Fuses (page 65).
D
Air filter assembly. See
Changing the Engine Air Filter (page 100).
E
Engine oil dipstick. See
Engine Oil Dipstick (page 88).
F
Power steering fluid reservoir. See
Power Steering Fluid Check (page 97).
G
Brake fluid reservoir. See
Brake Fluid Check (page 95).
H
87
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Page 161 of 164

Engine Block Heater......................................25
Using the Engine Block Heater........................ 25
Engine Coolant Check..................................89
Adding Engine Coolant...................................... 90
Coolant Change.................................................... 92
Engine Coolant Temperature Management.................................................... 93
Fail-Safe Cooling.................................................. 92
Recycled Coolant.................................................. 91
Severe Climates..................................................... 91
Engine Oil Check............................................88 Adding Engine Oil................................................ 88
Engine Oil Dipstick
........................................88
Engine Specifications..................................125
Drivebelt Routing................................................ 125
Environment.......................................................9
Essential Towing Checks............................48 Before Towing a Trailer...................................... 49
Hitches..................................................................... 48
Launching or Retrieving a Boat or Personal Watercraft (PWC).......................................... 50
Safety Chains........................................................ 48
Trailer Brakes......................................................... 49
Trailer Lamps......................................................... 49
When Towing a Trailer........................................ 49
Export Unique Options
...................................7
F
Ford Credit...........................................................5 US Only....................................................................... 5
Ford Protect....................................................134 Ford Protect (CANADA ONLY)...................... 135
Ford Protect (U.S. Only)................................... 134
Fuel and Refueling.........................................26
Fuel Consumption
.........................................29
Calculating Fuel Economy................................ 29
Filling the Fuel Tank............................................ 29
Fuel Filter
..........................................................98
Fuel Quality.......................................................27
Choosing the Right Fuel..................................... 27
Fuses...................................................................65
Fuse Specification Chart
.............................65
Diode and Relay Module.................................... 75
F53 Passenger Compartment Fuse Panel..................................................................... 77
F53 Power Distribution Box.............................. 65G
Gauges
................................................................14
Engine Coolant Temperature Gauge.............15
Engine Oil Pressure Gauge................................. 15
Fuel Gauge............................................................... 15
Speedometer.......................................................... 15
Transmission Fluid Temperature Gauge.................................................................... 15
General Maintenance Information
........136
Multi-point Inspection...................................... 138
Owner Checks and Services........................... 137
Protecting Your Investment............................ 136
Why Maintain Your Vehicle?.......................... 136
Why Maintain Your Vehicle at Your Dealership?...................................................... 136
Getting Assistance Outside the U.S. and Canada.............................................................61
Getting the Services You Need
.................58
Away From Home................................................ 58
H
Handbrake See: Parking Brake................................................ 37
Hazard Warning Flashers............................54
Hints on Driving With Anti-Lock Brakes..............................................................36
I
Ignition Switch
.................................................23
In California (U.S. Only)...............................59
Information Displays
......................................19
General Information............................................. 19
Information Messages
.................................20
Engine........................................................................\
21
Maintenance........................................................... 22
Transmission.......................................................... 22
Instrument Cluster
..........................................14
Instrument Lighting Dimmer.......................12
Introduction........................................................3
J
Jump Starting the Vehicle...........................54 Connecting the Jumper Cables....................... 55
Jump Starting........................................................ 56
158
Motorhome (TY3) Canada/United States of America, enUSA, First Printing Index