Protected components
Fuse amp rating
Fuse or relay number
Backup lamp feed.
20A**
18
Tow/haul switch.
Transmission control indicator light.
Not used.
—
19
Powertrain control module relay coil.
30A**
20
Powertrain control module relay (Power
distribution box fuses # 3, 5, 7, 18).
Fuel injectors.
20A**
21
Fuel pump motor.
Cigar lighter feed.
20A**
22
Diagnostic tool connector.
Blower motor feed.
40A**
23
Instrument panel battery feed (fuses #4,
10, 16, 22).
50A**
24
Ignition switch feed (Instrument panel
fuses #1, 5, 7, 11, 13, 14, 17, 19, 23; Power
distribution box fuses #9, 11).
40A**
25
Ignition switch feed (Instrument panel
fuses #5, 11, 17, 23, 26, 38).
40A**
26
Multi-function switch (headlamps).
30A**
27
Starter solenoid.
30A**
28
Power brake assist motor – Hydromax.
60A**
29
Anti-lock brake system module – Hydro-
boost.
40A**
Air conditioning clutch relay.
—
R1
Fuel pump relay.
—
R2
Horn relay.
—
R3
Starter relay.
—
R4
Blower motor relay.
—
R5
Powertrain control module relay.
—
R6
62
Motorhome (TY3) , enUSA
Fuses
Summary of Contents for 2014 F-Series Super Duty
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