2021 Ford F-150 fuse box diagram

The 2021 Ford F-150 has 2 different fuse boxes:

* Ford F-150 fuse box diagrams change across years, pick the right year of your vehicle:

TypeNo.Description
Fuse FMX/JCase
40A
1
Body control module - battery power in feed 1.
Fuse FMX/JCase
40A
3
Body control module - battery power in feed 2.
Fuse MINI
30A
4
Fuel pump.
Fuse MINI
5A
5
Powertrain control module coil.
Fuse MINI
25A
6
Powertrain control module power.
Fuse MINI
20A
7
Powertrain control module power.
Fuse MINI
20A
8
Powertrain control module power (hybrid).
Fuse MINI
10A
8
Powertrain control module power [gas, diesel. Raptor, Tremor].
Fuse MINI
20A
9
Powertrain control module power.
Fuse MINI
20A
10
Powertrain control module power [diesel].
Fuse MINI
30A
11
Starter motor.
Fuse FMX/JCase
40A
13
Blower motor.
Fuse MINI
25A
15
Horn.
Fuse MINI
20A
19
Snow plow switch [gas]. Rear heated seats [gas, diesel, hybrid].
Fuse MINI
10A
21
Headlamp run/start feed.
Fuse MINI
10A
22
Electronic power assist steering.
Fuse MINI
10A
23
Electric brake boost.
Fuse MINI
10A
24
Powertrain control module [gas, hybrid], Transmission control module [diesel], Glow plug control module [diesel].
Fuse MINI
10A
25
Center high-mounted stop lamp camera, Trailer camera, 2 kW inverter, 24V alternator - run/start feed Analog rear video camera.
Fuse FMX/JCase
50A
28
Electric brake boost.
Fuse FMX/JCase
50A
29
Electric brake boost.
Fuse FMX/JCase
40A
30
Driver power seat.
Fuse MINI
30A
31
Passenger power seat.
Fuse MINI
20A
32
Auxiliary power point.
Fuse MINI
20A
33
Auxiliary power point. USB smart charger.
Fuse MINI
20A
34
Auxiliary power point.
Fuse MINI
30A
37
Tailgate module.
Fuse FMX/JCase
40A
38
Climate controlled seat module. Power running boards.
Fuse MINI
25A
41
Power sliding back window.
Fuse MINI
30A
42
Trailer brake control module.
Fuse FMX/JCase
50A
47
Cooling fan [gas, hybrid, Raptor, Tremor].
Fuse MINI
20A
48
Rear heated seats [Raptor, Tremor]
Fuse FMX/JCase
50A
49
Cooling fan [gas, hybrid, Raptor, Tremor].
Fuse FMX/JCase
40A
50
Heated backlight [gas, hybrid].
Fuse MINI
30A
55
Trailer tow park lamps.
Fuse MINI
20A
56
Trailer tow stop and turn lamps 4-pin connector).
Fuse MINI
10A
58
Trailer tow backup lamps.
Fuse MINI
15A
60
Upfitter 1 relay [Raptor, Tremor].
Fuse MINI
15A
61
Upfitter 2 relay [Raptor, Tremor].
Fuse MINI
10A
62
Upfitter 3 relay [Raptor, Tremor].
Fuse MINI
10A
63
Upfitter 4 relay [Raptor, Tremor].
Fuse MINI
25A
64
Four-wheel drive.
Fuse MINI
15A
65
Transmission control module [diesel].
Fuse MINI
20A
67
Transmission run/start.
Fuse MINI
30A
69
Left-hand windshield wiper.
Fuse MINI
25A
82
Four-wheel drive.
Fuse FMX/JCase
50A
83
Supplemental heater [diesel].
Fuse FMX/JCase
50A
84
Supplemental heater [diesel].
Fuse FMX/JCase
50A
85
Supplemental heater [diesel].
Fuse MINI
25A
86
Selective catalytic reduction system [diesel].
Fuse MINI
20A
91
Trailer tow light module.
Fuse MINI
15A
95
Powertrain control module power [hybrid].
Fuse MINI
10A
98
Powertrain control module power [hybrid]. Coolant pumps [hybrid].
Fuse MINI
15A
100
Left-hand headlamps.
Fuse MINI
15A
101
Right-hand headlamps.
Fuse FMX/JCase
50A
105
Active front steering.
Fuse MINI
30A
107
Trailer tow battery charge.
Fuse MINI
15A
108
Spot lamps [police].
Fuse MINI
30A
121
Fuel filter heater [diesel].
Fuse MINI
5A
124
Rain sensor module.
Fuse MINI
10A
125
USB smart charger.
Fuse MINI
25A
134
Multi-contour seats relay [gas, diesel, hybrid].
Fuse MINI
10A
138
Tallgate release.
Fuse MINI
5A
139
USB smart charger.
Fuse MINI
15A
146
Traction battery control module [hybrid].
Fuse FMX/JCase
40A
147
Change air cooler fan relay [Raptor, Tremor].
Fuse MINI
5A
159
DC/DC power [hybrid].
Fuse MINI
10A
160
Smart data link control.
Fuse MINI
15A
168
Traction battery control module [hybrid].
Fuse MINI
10A
169
Motor electric cool pump (hybrid).
Fuse MINI
10A
170
Pedestrian alert control module [hybrid]. Traction battery control module [hybrid]. Electric motor cool pump [hybrid].
Fuse FMX/JCase
60A
202
Body control module B+,
Fuse MINI
30A
210
Body control module start stop.
Fuse MINI
5A
305
Upfitter 5 relay [Raptor. Tremor].
Fuse MINI
5A
306
Upfitter 6 relay [Raptor. Tremor].
Relay
R04
Electronic fan relay 1.
Relay
R06
Electronic fan relay 3.
Relay
R35
Supplemental heater.
Relay
R36
Supplemental heater.
TypeNo.Description
Fuse MICRO2
1
Not used.
Fuse MICRO2
10A
2
Delayed accessory feed.
Fuse MICRO2
7.5A
3
Wireless charger.
Fuse MICRO2
20A
4
Not used.
Fuse MICRO2
5
Not used.
Fuse MICRO3
10A
6
Driver power window switch.
Fuse MICRO3
10A
7
Gear shift module.
Fuse MICRO3
5A
8
Cell phone passport module.
Fuse MICRO3
5A
9
Combined sensor module.
Fuse MICRO3
10
Not used.
Fuse MICRO3
11
Not used.
Fuse MICRO3
7.5A
12
Enhanced central gateway, Climate control.
Fuse MICRO3
7.5A
13
Instrument cluster, Steering column control module.
Fuse MICRO3
15A
14
Not used (spare).
Fuse MICRO3
15A
15
Integrated control panel. SYNC.
Fuse MICRO2
16
Not used.
Fuse MICRO3
7.5A
17
Headlamp control module.
Fuse MICRO3
7.5A
18
Not used.
Fuse MICRO3
5A
19
Headlamp switch.
Fuse MICRO3
5A
20
Passive start, Ignition switch, Key inhibit solenoid.
Fuse MICRO3
5A
21
Trailer brake switch.
Fuse MICRO3
5A
22
Not used.
Fuse MICRO2
30A
23
Driver door control module.
Fuse MICRO2
30A
24
Moonroof.
Fuse MICRO2
20A
25
Not used.
Fuse MICRO2
30A
26
Passenger door control module.
Fuse MICRO2
30A
27
Not used.
Fuse MICRO2
30A
28
Amplifier.
Fuse MICRO2
15A
29
12 inch display, Adjustable pedals.
Fuse MICRO2
5A
30
Not used.
Fuse MICRO2
10A
31
RF receiver, Driver monitor, Terrain management switch.
Fuse MICRO2
20A
32
Audio control module.
Fuse MICRO2
33
Not used.
Fuse MICRO2
30A
34
Run/start relay.
Fuse MICRO2
5A
35
400 watt inverter run/start.
Fuse MICRO2
15A
36
Auto-dimming interior mirror, Rear heat seat run/start, Adaptive front steering run/start. Heated wheel [vehicles without adaptive front steering].
Fuse MICRO2
20A
37
Advanced driver-assistance systems.
Circuit breaker MAXI
30A
38
Rear power windows.

Source: Ford F-150 2021 Owner's Manual

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