by Tom Smith
Welcome to our complete guide to the 2019 Ford F350 Fuse Box Diagram.
In this article, we will provide you with valuable information and insights to help you navigate the electrical system of your 2019 Ford F350 with confidence.
Table of Contents
Identifying the Fuse Types
Always replace a fuse with one that has the specified amperage rating. Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire.
2019 Ford F350 Power Distribution Box Diagram
The power distribution box, situated in the engine compartment, houses high-current fuses that serve as guardians for your vehicle’s primary electrical systems. Their vital purpose is to protect against overloads and ensure the proper functioning of the electrical components within your vehicle.
1Micro fuse. 2M case fuse. 3J case fuse.Fuse or Relay Number Fuse Rating Protected Component 1 20A1 Powertrain control module. 2 20A1 Emissions – malfunction indicator lamp. 3 20A1 Cooling fan.
A/C compressor.
Engine brake.4 20A1 Noise suppression cap.
Mass air flow sensor.
Emissions.
Glow plugs.
Urea.5 15A1 Compressed natural gas fuel control module. Fuel sensor. 6 — Not used. 7 — Not used. 8 — Not used. 9 — Not used. 10 15A1 Heated exterior mirrors. 11 — Compressed natural gas relay. 12 40A2 Heated rear window. 13 — Not used. 14 — Powertrain control module relay. 15 20A1 Horn. 16 10A1 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 30A2 Trailer tow battery charge relay (if equipped). 28 — Not used. 29 — Run-start relay. 30 10A1 4×4 module. 31 5A1 Adaptive cruise control.
Run-start.32 5A1 Anti-lock brake system module.
Run-start.33 10A1 Powertrain control module – ignition status power run.
Run-start.
Engine control module.
Transmission control module.34 10A1 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 25A2 Glow plugs. 42 40A2 Trailer tow lighting module (if equipped). 43 40A2 Front blower motor. 44 50A3 Voltage quality.
Body control module power.45 60A3 Active front steering. 46 50A3 Supplemental air heater bank #2. 47 50A3 Cooling fan.
Supplemental air heater bank #3.48 50A3 Body control module run power 1 bus. 49 60A3 Inverter. 50 50A3 Body control module run power 2 bus. 51 60A3 Body control module B+ feed. 52 60A3 Anti-lock brake system pump. 53 50A3 Supplemental air heater bank #1. 54 30A3 Trailer brake control module. 55 30A3 Climate controlled seat module. 56 40A3 Auxiliary lighting module. 57 30A2 Power running boards. 58 30A2 Compressed natural gas fuel control module relay. 59 30A2 Anti-lock brake system valve. 60 — Not used. 61 30A2 Driver power seat. 62 20A2 Auxiliary power point #1 (instrument panel). 63 30A2 Starter motor. 64 20A2 Auxiliary power point #2. 65 30A2 Trailer tow lighting module (if equipped). 66 20A2 Auxiliary power point #3 (center console). 67 30A2 Passenger power seat. 68 20A2 Auxiliary power point #4 (USB charger, rear center console). 69 25A2 4×4 module. 70 20A2 Auxiliary power point #5 (rear center console). 71 — Not used. 72 30A2 Trailer tow left hand/right hand stop/turn (if equipped, not present with trailer brake controller). 73 — Not used. 74 — Not used. 75 30A2 Fuel pump. 76 — Not used. 77 30A2 Wiper motor. 78 — Not used. 79 30A2 Power sliding rear window. 80 25A1 4×4 module. 81 10A1 4×4 solenoid. 82 10A1 Power telescoping mirrors. 83 20A1 Rear heated seats. 84 10A1 Trailer tow backup lamps (if equipped). 85 — Not used. 86 — Not used. 87 — Not used. 88 10A1 Multi contour seats. 89 — Not used. 90 10A1 Spot light module. 91 10A1 Upfitter interface module. 92 — Not used. 93 — Not used. 94 15A1 Transmission control module. 95 10A1 Powertrain control module keep alive power. 96 5A1 Rain sensor. 97 10A1 Run/Start control for Auxiliary power point #5 98 10A 1 Alternator sense. 99 30A 1 Trailer tow parking lamps.
2019 Ford F350 Passenger Compartment Fuse Panel Diagram
The fuse panel situated in the passenger compartment can be found on the right-hand side of the passenger footwell, discreetly concealed behind a trim panel.
To access it, simply pull the trim panel towards you with ease and swing it away from the side.
When reinstalling the trim panel, make sure that the tabs align with the grooves on the panel, and then firmly push it until it securely clicks into place.
Note: It may be easier to access the fuse panel if you remove the finish trim piece.
4Micro 2 fuse. 5Micro 3 fuse. 6Circuit breaker.
| Fuse or Relay Number | Fuse Rating | Protected Component |
| 1 | — | Not used. |
| 2 | 7.5A4 | Memory seat switch (lumbar power). |
| 3 | 20A4 | Driver door unlock relay. |
| 4 | 5A4 | Aftermarket electronic brake controller. Trailer brake controller Brake On/Off. Customer access circuits. |
| 5 | — | Not used. |
| 6 | — | Not used. |
| 7 | — | Not used. |
| 8 | 10A5 | Driver window switch mirror fold. |
| 9 | 10A5 | Brake On/Off / Pressure Switch. |
| 10 | 5A4 | Embedded Modem. |
| 11 | 5A5 | Combined sense security module. |
| 12 | 7.5A5 | Front climate control module. |
| 13 | 7.5A5 | Instrument cluster. Smart data link. Steering column control module. |
| 14 | 10A5 | Extended power restraints module. |
| 15 | 10A5 | Smart datalink connector power. |
| 16 | 15A4 | Tailgate release solenoid. |
| 17 | 5A5 | Head-up display. |
| 18 | 5A5 | Push button ignition switch. Ignition switch. Key inhibit. |
| 19 | 7.5A5 | Transmission control switch (tow/haul). Select Shift switch. |
| 20 | 7.5A5 | Active front steering module. |
| 21 | 5A5 | Head-up display. Humidity sensor. |
| 22 | 5A5 | Upfitter switch. Run/Start. PTO relays. |
| 23 | 10A4 | Accessory delay. Power windows. Moonroof. Power folding mirrors relay. Inverter. Window/moonroof switch illumination. |
| 24 | 20A4 | Central locking system relay. |
| 25 | 30A4 | Left-hand front smart window motor. Door zone module. |
| 26 | 30A4 | Right-hand front smart window motor. Door zone module. |
| 27 | 30A4 | Moonroof. |
| 28 | — | Not used. |
| 29 | 30A4 | Bang & Olufsen Amplifier. |
| 30 | — | Not used. |
| 31 | 15A4 | Adjustable pedals switch. |
| 32 | 10A4 | SYNC. GPS module. Display. Radio frequency receiver. |
| 33 | 20A4 | Radio. |
| 34 | 30A4 | Run-start relay. |
| 35 | 5A4 | Extended power restraints module. |
| 36 | 15A4 | Lane keeping system. Automatic high beam control. Auto-dimming mirrors. Rear heated seats. Camera module. |
| 37 | 20A4 | Heated steering wheel. |
| 38 | 30A6 | Rear power window switch. |
Tom Smith
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Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.
