Ford F-250 / F-350 / F-450 / F-550 (2017-2019..) fuses and relays

 

In this article, we consider the fourth-generation Ford F-Series Super Duty, available from 2017 to the present. Here you will find fuse box diagrams of Ford F-250 / F-350 / F-450 / F-550 2017, 2018 and 2019, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Ford F250 / F350 / F450 / F550 2017-2019…


Cigar lighter (power outlet) fuses in the Ford F-250 / F-350 / F-450 / F-550 are the fuses №22 (2017: Auxiliary power point #5 (rear console)), №62 (Auxiliary power point #1 (instrument panel)), №64 (Auxiliary power point #2), №66 (Auxiliary power point #3 (center console)), №68 (Auxiliary power point #4 (rear media bin)) and №70 (2018-2019: Auxiliary power point #5 (rear center console)) in the Engine compartment fuse box.


Fuse box location

Passenger compartment

The fuse panel is in the right-hand side of the passenger footwell behind a trim panel.The location of the fuses in the passenger compartment: Ford F-250 / F-350 / F-450 / F-550 (2017-2019..)

Engine compartment

The power distribution box is located in the engine compartment.The location of the fuses in the engine compartment: Ford F-250, F-350, F-450, F-550 (2017, 2018, 2019)

Fuse box diagrams

2017

Passenger compartment

Interior fuse box diagram: Ford F-250, F-350, F-450, F-550 (2017)

Assignment of the fuses in the Passenger compartment (2017)

Amp Rating Protected components
1 Not used.
2 7.5A Memory seat switch (lumbar power).
3 20A Driver door unlock relay.
4 5A Aftermarket electronic brake controller.
5 20A Rear heated seat module.
6 Not used.
7 Not used.
8 Not used.
9 Not used.
10 5A Securicode™ keyless entry keypad.
11 5A Rear climate control module.
12 7.5A Front climate control module.
13 7.5A Instrument cluster. Smart data link. Steering column control module.
14 Not used.
15 10A Smart datalink connector power. Heads up display.
16 Not used.
17 5A Electronic finish panel.
18 5A Push button ignition switch. Ignition switch. Key inhibit.
19 7.5 A Transmission control switch (tow/haul).
20 Not used.
21 5A Terrain management system. Head-up display. Humidity sensor.
22 5A Occupant classification sensor.
23 10A Accessory delay. Power windows. Moonroof. Power folding mirrors relay. Inverter. Window/moonroof switch illumination.
24 20A Central locking system relay.
25 30A Left-hand front smart window motor. Door zone module.
26 30A Right-hand front smart window motor. Door zone module.
27 30A Moonroof.
28 20A Sony amplifier -10 channel.
29 30A Sony amplifier -14 channel.
30 Not used.
31 Not used.
32 10A SYNC. GPS module. Display. Radio frequency receiver.
33 20A Radio.
34 30A Run-start relay.
35 5A Restraints control module.
36 15 A Lane keeping system. Automatic high beam control. Auto-dimming mirrors. Rear heated seats.
37 20A Heated steering wheel.
38 30A Left-hand front window motor. Rear power window motors.

Engine compartment

Under-hood fuse box diagram: Ford F-250, F-350, F-450, F-550 (2017)

 

Assignment of the fuses in the Power distribution box (2017)

Amp Rating Protected components
1 20A Powertrain control module.
2 20A Emissions (MIL).
3 20A Cooling fan. A/C compressor. Engine brake.
4 20A Noise suppression cap. Mass air flow sensor. Emissions. Glow plugs. Urea.
5 15A Compressed natural gas fuel control module.
6 Not used.
7 Not used.
8 Not used.
9 Not used.
10 15A Heated exterior mirrors.
11 CNG relay.
12 40A Heated rear window.
13 Not used.
14 Powertrain control module relay.
15 20A Horn.
16 10A A/C clutch relay power.
17 Rear heated window and heated mirrors relay.
18 Not used.
19 Not used.
20 Supplemental air heater bank #1 relay.
21 Not used.
22 20A Auxiliary power point #5 (rear console). Run-start.
23 Not used.
24 Cooling fan relay. Supplemental air heater bank #3 relay.
25 Glow plug module power relay.
26 Not used.
27 30A Trailer tow battery charge relay.
29 Run-start relay.
30 10A 4×4 module.
31 5A Adaptive cruise control. Run-start.
32 5A Anti-lock brake system module. Run-start.
33 10A Powertrain control module (ISPR). Run-start. Engine control module. Transmission control module.
34 10A Blind spot information system. Run-start. Front camera. Rear camera.
35 Not used.
36 Blower motor relay.
37 Trailer tow battery charge relay.
38 A/C compressor clutch relay.
39 Horn relay.
40 Supplemental air heater bank #2 relay.
41 25 A Glow plugs.
42 40A Trailer tow lighting module.
43 40A Front blower motor.
44 50A Voltage quality module. Body control module.
45 60A Active front steering.
46 50A Supplemental air heater bank #2.
47 50A Cooling fan. Supplemental air heater bank #3.
48 50A Body control module RP1 bus.
49 60A Inverter.
50 50A Body control module RP2 bus.
51 60A Body control module B+ feed.
52 60A Anti-lock brake system pump.
53 50A Supplemental air heater bank #1.
54 30A Trailer brake control module.
55 30A Climate controlled seat module.
56 40A Auxiliary lighting module.
57 30A Power running boards.
58 30A Compressed natural gas fuel control module relay.
59 30A Anti-lock brake system valve.
60 Not used.
61 30A Driver power seat.
62 20A Auxiliary power point #1 (instrument panel).
63 30A Starter motor.
64 20A Auxiliary power point #2.
65 30A Trailer tow lighting module.
66 20A Auxiliary power point #3 (center console).
67 30A Passenger power seat.
68 20A Auxiliary power point #4 (rear media bin).
69 25 A 4×4 module.
70 Not used.
71 Not used.
72 30A Trailer tow left hand/right hand stop/turn.
73 Not used.
74 Not used.
75 30A Fuel pump.
76 Not used.
77 30A Wiper motor.
78 Not used.
79 30A Power sliding rear window.
80 25A 4×4 module.
81 10A 4×4 solenoid.
82 10A Power telescoping mirrors.
83 20A Rear heated seats.
84 10A Trailer tow backup lamps.
85 Not used.
86 Not used.
87 Not used.
88 10A Multi contour seats.
89 Not used.
90 10A Spot light module.
91 10A Upfitter interface module.
92 Not used.
93 Not used.
94 15A Transmission control module.
95 10A Powertrain control module keep alive power.
96 5A Rain sensor.
97 Not used.
98 10A Alternator sense.
99 30A Trailer tow parking lamps.

2018, 2019

Passenger compartment

Interior fuse box diagram: Ford F-250, F-350, F-450, F-550 (2018, 2019)

Assignment of the fuses in the Passenger compartment (2018, 2019)

Amp Rating Protected Components
1 Not used.
2 7.5A Memory seat switch (lumbar power).
3 20A Driver door unlock relay.
4 5A Aftermarket electronic brake controller. Trailer brake controller Brake On/Off. Customer access circuits.
5 Not used.
6 Not used.
7 Not used.
8 10A Driver window switch mirror fold.
9 10A Brake On/Off / Pressure Switch.
10 5A 2018: Not used.
2019: Embedded Modem
11 5A Combined sense security module.
12 7.5A Front climate control module.
13 7.5A Instrument cluster. Smart data link. Steering column control module.
14 10A Extended power restraints module.
15 10A Smart datalink connector power.
16 15 A Tailgate release solenoid.
17 5A Head-up display.
18 5A Push button ignition switch. Ignition switch. Key inhibit.
19 75A Transmission control switch (tow/haul). Select Shift switch.
20 7.5A Active front steering module.
21 5A Head-up display. Humidity sensor.
22 5A Upfitter switch. Run/Start. PTO relays.
23 10A Accessory delay. Power windows. Moonroof. Power folding mirrors relay. Inverter. Window/moonroof switch illumination.
24 20A Central locking system relay.
25 30A Left-hand front smart window motor. Door zone module.
26 30A Right-hand front smart window motor. Door zone module.
27 30A Moonroof.
28 20A 2018: Sony amplifier -10 channel.
2019: Not used
29 30A 2018: Not used.
2019: Bang & Olufsen Amplifier
30 Not used.
31 15A Adjustable pedals switch.
32 10A SYNC. GPS module. Display. Radio frequency receiver.
33 20A Radio.
34 30A Run-start relay.
35 5A Extended power restraints module.
36 15 A Lane keeping system. Automatic high beam control. Auto-dimming mirrors. Rear heated seats. Camera module.
37 20A Heated steering wheel.
38 30A Rear power window switch.

Engine compartment

Under-hood fuse box diagram: Ford F-250, F-350, F-450, F-550 (2018, 2019)

 

Assignment of the fuses in the Power distribution box (2018, 2019)

Amp Rating Protected Components
1 20A Powertrain control module.
2 20A Emissions – malfunction indicator lamp.
3 20A Cooling fan. A/C compressor. Engine brake.
4 20A Noise suppression cap. Mass air flow sensor. Emissions. Glow plugs. Urea.
5 15 A Compressed natural gas fuel control module. Fuel sensor.
6 Not used.
7 Not used.
8 Not used.
9 Not used.
10 15 A Heated exterior mirrors.
11 Compressed natural gas relay.
12 40 Heated rear window.
13 Not used.
14 Powertrain control module relay.
15 20A Horn.
16 10A A/C clutch relay power.
17 Rear heated window and heated mirrors relay.
18 Trailer park lamp relay.
19 Not used.
20 Supplemental air heater bank #1 relay.
21 Not used.
22 Not used.
23 Not used.
24 Cooling fan relay. Supplemental air heater bank #3 relay.
25 Glow plug module power relay.
26 Not used.
27 30A Trailer tow battery charge relay (if equipped).
28 Not used.
29 Run-start relay.
30 10A 4×4 module.
31 5A Adaptive cruise control. Run-start.
32 5A Anti-lock brake system module. Run-start.
33 10A Powertrain control module – ignition status power run. Run-start. Engine control module. Transmission control module.
34 10A Blind spot information system. Run-start. Front camera. Rear camera.
35 Not used.
36 Blower motor relay.
37 Trailer tow battery charge relay (only on non-trailer brake controller vehicles).
38 A/C compressor clutch relay.
39 Horn relay.
40 Supplemental air heater bank #2 relay.
41 25 A Glow plugs.
42 40A Trailer tow lighting module (if equipped).
43 40A Front blower motor.
44 50A Voltage quality. Body control module power.
45 60A Active front steering.
46 50A Supplemental air heater bank #2.
47 50A Cooling fan. Supplemental air heater bank #3.
48 50A Body control module run power 1 bus.
49 60A Inverter.
50 50A Body control module run power 2 bus.
51 60A Body control module B+ feed.
52 60A Anti-lock brake system pump.
53 50A Supplemental air heater bank #1.
54 30A Trailer brake control module.
55 30A Climate controlled seat module.
56 40A Auxiliary lighting module.
57 30A Power running boards.
58 30A Compressed natural gas fuel control module relay.
59 30A Anti-lock brake system valve.
60 Not used.
61 30A Driver power seat.
62 20A Auxiliary power point #1 (instrument panel).
63 30A Starter motor.
64 20A Auxiliary power point #2.
65 30A Trailer tow lighting module (if equipped).
66 20A Auxiliary power point #3 (center console).
67 30A Passenger power seat.
68 20A Auxiliary power point #4 (USB charger, rear center console).
69 25A 4×4 module.
70 20A Auxiliary power point #5 (rear center console).
71 Not used.
72 30A Trailer tow left hand/right hand stop/turn (if equipped, not present with trailer brake controller).
73 Not used.
74 Not used.
75 30A Fuel pump.
76 Not used.
77 30A Wiper motor.
78 Not used.
79 30A Power sliding rear window.
80 25A 4×4 module.
81 10A 4×4 solenoid.
82 10A Power telescoping mirrors.
83 20A Rear heated seats.
84 10A Trailer tow backup lamps (if equipped).
85 Not used.
86 Not used.
87 Not used.
88 10A Multi contour seats.
89 Not used.
90 10A Spot light module.
91 10A Upfitter interface module.
92 Not used.
93 Not used.
94 15 A Transmission control module.
95 10A Powertrain control module keep alive power.
96 5A Rain sensor.
97 10A Run/Start control for Auxiliary power point #5
98 10A Alternator sense.
99 30A Trailer tow parking lamps.


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