In this article we look at the fourth generation Ford F-Series Super Duty, available from 2017 to 2019. Here you will find the 2017, 2018 and 2019 Ford F-250 / F-350 / F-450 / F-550 fuse box diagrams, get information on the location of the fuse boxes inside the vehicle and learn about the assignment of each fuse (fuse layout) and relay.
The fuses for the cigar lighter socket in the Ford F-250 / F-350 / F-450 / F-550 are fuses №22 (2017: Auxiliary outlet #5 (rear console)), №62 (Auxiliary outlet #1 (instrument panel)), №64 (Auxiliary outlet #2), №66 (Auxiliary outlet #3 (centre console)), №68 (Auxiliary outlet #4 (rear media tray)) and №70 (2018-2019: Auxiliary outlet #5 (rear centre 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.
Engine compartment
The power distribution box is located in the engine compartment.
Fuse box diagrams
2017
Passenger compartment
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
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
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
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. |