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

Fuse box diagram (location and assignment of electrical fuses and relays) for Ford F-250 / F-350 / F-450 / F-550 (2017, 2018-…)

Fuse box diagram: Ford F-250 / F-350 / F-450 / F-550 (2017-2019-..)

2017
2018

Fuse box location

Passenger compartment fuse box

The fuse panel is in the right-hand side of the passenger footwell behind a trim panelThe location of the fuses in the passenger compartment: Ford F-250, F-350, F-450, F-550 (2017, 2018, 2019)

Engine compartment fuse box

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

2017

Fuse box diagram (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)
Fuse or relay numberFuse amp ratingProtected components
1Not used.
27.5AMemory seat switch (lumbar power).
320ADriver door unlock relay.
45AAftermarket electronic brake controller.
520ARear heated seat module.
6Not used.
7Not used.
8Not used.
9Not used.
105ASecuricode™ keyless entry keypad.
115ARear climate control module.
127.5AFront climate control module.
137.5AInstrument cluster. Smart data link. Steering column control module.
14Not used.
1510ASmart datalink connector power. Heads up display.
16Not used.
175AElectronic finish panel.
185APush button ignition switch. Ignition switch. Key inhibit.
197.5 ATransmission control switch (tow/haul).
20Not used.
215ATerrain management system. Head-up display. Humidity sensor.
225AOccupant classification sensor.
2310AAccessory delay. Power windows. Moonroof. Power folding mirrors relay. Inverter. Window/moonroof switch illumination.
2420ACentral locking system relay.
2530ALeft-hand front smart window motor. Door zone module.
2630ARight-hand front smart window motor. Door zone module.
2730AMoonroof.
2820ASony amplifier -10 channel.
2930ASony amplifier -14 channel.
30Not used.
31Not used.
3210ASYNC. GPS module. Display. Radio frequency receiver.
3320ARadio.
3430ARun-start relay.
355ARestraints control module.
3615 ALane keeping system. Automatic high beam control. Auto-dimming mirrors. Rear heated seats.
3720AHeated steering wheel.
3830ALeft-hand front window motor. Rear power window motors.

Fuse box diagram (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)
Fuse or relay numberFuse amp ratingProtected components
120APowertrain control module.
220AEmissions (MIL).
320ACooling fan. A/C compressor. Engine brake.
420ANoise suppression cap. Mass air flow sensor. Emissions. Glow plugs. Urea.
515ACompressed natural gas fuel control module.
6Not used.
7Not used.
8Not used.
9Not used.
1015AHeated exterior mirrors.
11CNG relay.
1240AHeated rear window.
13Not used.
14Powertrain control module relay.
1520AHorn.
1610AA/C clutch relay power.
17Rear heated window and heated mirrors relay.
18Not used.
19Not used.
20Supplemental air heater bank #1 relay.
21Not used.
2220AAuxiliary power point #5 (rear console). Run-start.
23Not used.
24Cooling fan relay. Supplemental air heater bank #3 relay.
25Glow plug module power relay.
26Not used.
2730ATrailer tow battery charge relay.
29Run-start relay.
3010A4x4 module.
315AAdaptive cruise control. Run-start.
325AAnti-lock brake system module. Run-start.
3310APowertrain control module (ISPR). Run-start. Engine control module. Transmission control module.
3410ABlind spot information system. Run-start. Front camera. Rear camera.
35Not used.
36Blower motor relay.
37Trailer tow battery charge relay.
38A/C compressor clutch relay.
39Horn relay.
40Supplemental air heater bank #2 relay.
4125 AGlow plugs.
4240ATrailer tow lighting module.
4340AFront blower motor.
4450AVoltage quality module. Body control module.
4560AActive front steering.
4650ASupplemental air heater bank #2.
4750ACooling fan. Supplemental air heater bank #3.
4850ABody control module RP1 bus.
4960AInverter.
5050ABody control module RP2 bus.
5160ABody control module B+ feed.
5260AAnti-lock brake system pump.
5350ASupplemental air heater bank #1.
5430ATrailer brake control module.
5530AClimate controlled seat module.
5640AAuxiliary lighting module.
5730APower running boards.
5830ACompressed natural gas fuel control module relay.
5930AAnti-lock brake system valve.
60Not used.
6130ADriver power seat.
6220AAuxiliary power point #1 (instrument panel).
6330AStarter motor.
6420AAuxiliary power point #2.
6530ATrailer tow lighting module.
6620AAuxiliary power point #3 (center console).
6730APassenger power seat.
6820AAuxiliary power point #4 (rear media bin).
6925 A4x4 module.
70Not used.
71Not used.
7230ATrailer tow left hand/right hand stop/turn.
73Not used.
74Not used.
7530AFuel pump.
76Not used.
7730AWiper motor.
78Not used.
7930APower sliding rear window.
8025A4x4 module.
8110A4x4 solenoid.
8210APower telescoping mirrors.
8320ARear heated seats.
8410ATrailer tow backup lamps.
85Not used.
86Not used.
87Not used.
8810AMulti contour seats.
89Not used.
9010ASpot light module.
9110AUpfitter interface module.
92Not used.
93Not used.
9415ATransmission control module.
9510APowertrain control module keep alive power.
965ARain sensor.
97Not used.
9810AAlternator sense.
9930ATrailer tow parking lamps.

2018

Fuse box diagram (Passenger compartment)

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

Assignment of the fuses in the Passenger compartment (2018)
Fuse or Relay NumberFuse RatingProtected Components
1Not used.
27.5AMemory seat switch (lumbar power).
320ADriver door unlock relay.
45AAftermarket electronic brake controller. Trailer brake controller Brake On/Off. Customer access circuits.
5Not used.
6Not used.
7Not used.
810ADriver window switch mirror fold.
910ABrake On/Off / Pressure Switch.
10Not used.
115ACombined sense security module.
127.5AFront climate control module.
137.5AInstrument cluster. Smart data link. Steering column control module.
1410AExtended power restraints module.
1510ASmart datalink connector power.
1615 ATailgate release solenoid.
175AHead-up display.
185APush button ignition switch. Ignition switch. Key inhibit.
1975ATransmission control switch (tow/haul). Select Shift switch.
207.5AActive front steering module.
215AHead-up display. Humidity sensor.
225AUpfitter switch. Run/Start. PTO relays.
2310AAccessory delay. Power windows. Moonroof. Power folding mirrors relay. Inverter. Window/moonroof switch illumination.
2420ACentral locking system relay.
2530ALeft-hand front smart window motor. Door zone module.
2630ARight-hand front smart window motor. Door zone module.
2730AMoonroof.
2820ASony amplifier -10 channel.
29Not used.
30Not used.
3115AAdjustable pedals switch.
3210ASYNC. GPS module. Display. Radio frequency receiver.
3320ARadio.
3430ARun-start relay.
355AExtended power restraints module.
3615 ALane keeping system. Automatic high beam control. Auto-dimming mirrors. Rear heated seats. Camera module.
3720AHeated steering wheel.
3830ARear power window switch.

Fuse box diagram (Engine compartment)

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

Assignment of the fuses in the Power distribution box (2018)
Fuse or Relay NumberFuse RatingProtected Components
120APowertrain control module.
220AEmissions - malfunction indicator lamp.
320ACooling fan. A/C compressor. Engine brake.
420ANoise suppression cap. Mass air flow sensor. Emissions. Glow plugs. Urea.
515 ACompressed natural gas fuel control module. Fuel sensor.
6Not used.
7Not used.
8Not used.
9Not used.
1015 AHeated exterior mirrors.
11Compressed natural gas relay.
1240Heated rear window.
13Not used.
14Powertrain control module relay.
1520AHorn.
1610AA/C clutch relay power.
17Rear heated window and heated mirrors relay.
18Trailer park lamp relay.
19Not used.
20Supplemental air heater bank #1 relay.
21Not used.
22Not used.
23Not used.
24Cooling fan relay. Supplemental air heater bank #3 relay.
25Glow plug module power relay.
26Not used.
2730ATrailer tow battery charge relay (if equipped).
28Not used.
29Run-start relay.
3010A4x4 module.
315AAdaptive cruise control. Run-start.
325AAnti-lock brake system module. Run-start.
3310APowertrain control module - ignition status power run. Run-start. Engine control module. Transmission control module.
3410ABlind spot information system. Run-start. Front camera. Rear camera.
35Not used.
36Blower motor relay.
37Trailer tow battery charge relay (only on non-trailer brake controller vehicles).
38A/C compressor clutch relay.
39Horn relay.
40Supplemental air heater bank #2 relay.
4125 AGlow plugs.
4240ATrailer tow lighting module (if equipped).
4340AFront blower motor.
4450AVoltage quality. Body control module power.
4560AActive front steering.
4650ASupplemental air heater bank #2.
4750ACooling fan. Supplemental air heater bank #3.
4850ABody control module run power 1 bus.
4960AInverter.
5050ABody control module run power 2 bus.
5160ABody control module B+ feed.
5260AAnti-lock brake system pump.
5350ASupplemental air heater bank #1.
5430ATrailer brake control module.
5530AClimate controlled seat module.
5640AAuxiliary lighting module.
5730APower running boards.
5830ACompressed natural gas fuel control module relay.
5930AAnti-lock brake system valve.
60Not used.
6130ADriver power seat.
6220AAuxiliary power point #1 (instrument panel).
6330AStarter motor.
6420AAuxiliary power point #2.
6530ATrailer tow lighting module (if equipped).
6620AAuxiliary power point #3 (center console).
6730APassenger power seat.
6820AAuxiliary power point #4 (USB charger, rear center console).
6925A4x4 module.
7020AAuxiliary power point #5 (rear center console).
71Not used.
7230ATrailer tow left hand/right hand stop/turn (if equipped, not present with trailer brake controller).
73Not used.
74Not used.
7530AFuel pump.
76Not used.
7730AWiper motor.
78Not used.
7930APower sliding rear window.
8025A4x4 module.
8110A4x4 solenoid.
8210APower telescoping mirrors.
8320ARear heated seats.
8410ATrailer tow backup lamps (if equipped).
85Not used.
86Not used.
87Not used.
8810AMulti contour seats.
89Not used.
9010ASpot light module.
9110AUpfitter interface module.
92Not used.
93Not used.
9415 ATransmission control module.
9510APowertrain control module keep alive power.
965ARain sensor.
9710ARun/Start control for Auxiliary power point #5
9810AAlternator sense.
9930ATrailer tow parking lamps.
What a blown fuse looks like?

If the wire is broken, the fuse is blown (but sometimes a fuse can look completely normal and still be blown and in need of replacement).
Ford F-250 / F-350 / F-450 / F-550 (2017-2019-..) fuses and relays December 12, 2018 admin