
Table of Contents
Toggle2024 FORD Super Duty Fuses and Fuse Box User Guide
This Guide covers the 2024 FORD Super Duty fuses and fuse box, including their locations, types, and functions, to assist you diagnose electrical difficulties. Get into the details.
2024 Ford Super Duty Review, Specs, Price and Mileage (Brochure)
Video: 2024 FORD Super Duty Fuses
FUSE PRECAUTIONS
WARNING: Always disconnect the battery before servicing high current fuses.
WARNING: To reduce risk of electrical shock, always replace the cover to the power distribution box before reconnecting the battery or refilling fluid reservoirs.
WARNING: 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.
UNDER HOOD FUSE BOX
LOCATING THE UNDER HOOD FUSE BOX

ACCESSING THE UNDER HOOD FUSE

IDENTIFYING THE FUSES IN THE UNDER HOOD FUSE BOX

| Item | Rating | Protected Component |
| 1 | 50 A | Cooling fan 1. |
| 2 | 50 A | Heater. |
| 3 | 50 A | Heater. |
| 4 | 50 A | Heater. |
| 9 | 30 A | Four-wheel drive module. |
| 10 | 30 A | Compressed natural gas module switch. |
| 12 | 60 A | Anti-lock brake system pump. |
| 13 | 30 A | Passenger power seat. |
| 14 | 40 A | Anti-lock brake system valve. |
| Item | Rating | Protected Component |
| 15 | 30 A | Body control module RP2 bus. |
| 21 | 10 A | Trailer tow backup lamps. |
| 22 | 10 A | Four-wheel drive system. |
| 23 | 20 A | Vehicle power 1. |
| 24 | 20 A | Vehicle power 2 (gas). |
| 10 A | Vehicle power 2 (diesel). | |
| 25 | 15 A | Vehicle power 3 (gas). |
| 10 A | Vehicle power 3 (diesel). | |
| 26 | 20 A | Vehicle power 4. |
| 27 | 10 A | Vehicle power 5 (gas). |
| 20 A | Vehicle power 5 (diesel). | |
| 29 | 15 A | Diesel exhaust fluid tank heater. |
| 30 | 15 A | Diesel exhaust fluid line heater. |
| 31 | 15 A | Glow plug and dosing module. |
| 34 | 20 A | Rear heated seats. |
| 36 | 30 A | Climate controlled seat module. |
| 37 | 5 A | 24 V alternator. |
| 38 | 10 A | Powertrain control module. Transmission control module. |
| 39 | 10 A | Anti-lock brake system. |
| 40 | 10 A | Electronic power assist steering. |
| 41 | 10 A | Blind spot information system. |
| Item | Rating | Protected Component |
| Trailer tow tire pressure monitoring system.
Rear electronic module controller area network. |
||
| 42 | 10 A | Snowplow. |
| 43 | 15 A | Interior power distribution box run/start. |
| 45 | 15 A | Heated steering wheel. |
| 46 | 20 A | Not used (spare). |
| 47 | 5 A | Not used (spare). |
| 48 | 30 A | Amplifier. |
| 49 | 25 A | Not used (spare). |
| 51 | 40 A | Blower motor. |
| 52 | — | Not used. |
| 53 | 10 A | Four-wheel drive – transfer case control module. |
| 54 | 10 A | Not used (spare). |
| 55 | 10 A | Not used (spare). |
| 56 | 40 A | Electronic power assist steering. |
| 57 | 20 A | Trailer tow lighting module. |
| 58 | 50 A | Customer interface module. |
| 59 | 60 A | Inverter. |
| 60 | 60 A | Interior power distribution box B+. |
| 61 | 30 A | Vehicle battery 2. |
| 62 | 5 A | Smart trailer hitch. |
| 63 | 10 A | Smart data link connector. Enhanced central gateway. |
| 64 | 5 A | Glow plug relay coil (diesel). |
| Item | Rating | Protected Component |
| 65 | 10 A | Compressed natural gas module power. |
| 74 | 30 A | Trailer brake control. Aftermarket e-brake access. |
| 75 | 30 A | Compressed natural gas powered at all times. |
| 76 | 25 A | Trailer tow lighting module battery charge. |
| 77 | 30 A | Vehicle battery 1. |
| 78 | 20 A | Power point 2. |
| 79 | 20 A | Power point 1. |
| 84 | 20 A | Horn. |
| 85 | 40 A | Heated rear windshield. |
| 91 | 5 A | Headlamp control module. |
| 92 | 15 A | Left-hand headlamp. |
| 93 | 15 A | Right-hand headlamp. |
| 94 | 20 A | Power point 3. |
| 95 | 20 A | Power point 4.
Smart charge module. |
| 98 | 10 A | Tailgate release. |
| 101 | 50 A | Customer interface module. |
| 102 | 5 A | Rain sensor. |
| 103 | 30 A | Front wiper motor. |
| 105 | 30 A | Fuel pump. |
| 106 | 30 A | Body control module RP1 bus. |
| 107 | 25 A | Trailer tow park lamps. |
| Item | Rating | Protected Component |
| 108 | 40 A | Driver power seat. |
| 109 | 30 A | Starter motor. |
| 111 | 30 A | Power sliding rear window. |
INTERIOR FUSE BOX
LOCATING THE INTERIOR FUSE BOX

ACCESSING THE INTERIOR FUSE BOX

IDENTIFYING THE FUSES IN THE INTERIOR FUSE BOX
| Item | Rating | Protected Component |
| 1 | 30 A | Power windows. |
| 2 | 30 A | Powered tailgate module. |
| 3 | 30 A | Passenger door module. |
| 4 | 15 A | Multi-contour seats. |
| 5 | — | Not used. |
| 6 | — | Not used. |
| 7 | 20 A | Advanced driver assistance system module. |
| 8 | 10 A | Delayed accessory logic. |
| 9 | — | Not used. |
| 10 | — | Not used. |
| 11 | 5 A | Instrument cluster. |
| 12 | — | Not used. |
| 13 | 7.5 A | Not used (spare). |
| Item | Rating | Protected Component |
| 14 | 15 A | SYNC. |
| 15 | 5 A | Center high-mounted stop lamp camera. |
| 16 | — | Not used. |
| 17 | — | Not used. |
| 18 | 10 A | Radio transceiver module. Four-wheel drive switch. Enhanced central gateway. |
| 19 | — | Not used. |
| 20 | 5 A | Inverter. |
| 21 | 5 A | Upfitter switch. |
| 22 | 10 A | Auxiliary camera. |
| 23 | — | Not used. |
| 24 | 30 A | Moonroof. |
| 25 | 5 A | Not used (spare). |
| 26 | 5 A | Not used (spare). |
| 27 | 5 A | Trailer brake control switch. |
| 28 | 5 A | Electrochromatic mirror. |
| 29 | 5 A | Heating, ventilation and air conditioning. |
| 30 | — | Not used. |
| 31 | — | Not used. |
| 32 | — | Not used. |
| 33 | 10 A | Brake on-off switch. |
| 34 | 7.5 A | Steering column control module. Instrument cluster. |
| 35 | 5 A | Rear heated seats. |
| 36 | 7.5 A | Manual shift. Select shift switch. |
| Item | Rating | Protected Component |
| 37 | 5 A | Head up display. |
| 38 | 7.5 A | Telematics control unit. |
| 39 | — | Not used. |
| 40 | 10 A | Left-hand door switch. Telescopic exterior mirror switch. |
| 41 | 10 A | Adjustable pedals. |
| 42 | 5 A | Central security module. |
| 43 | 5 A | Headlamps. Ignition switch. |
| 44 | 30 A | Driver door module. |
| 45 | 7.5 A | Wireless accessory charger module. Driver front seat module. |
| 46 | 20 A | Radio. |
| 47 | — | Not used. |
| 48 | — | Not used. |
| 49 | 7.5 A | SYNC display screen. |
| 50 | 5 A | Auxiliary smart data link connector. |
| 51 | — | Not used. |
IDENTIFYING FUSE TYPES

- A Micro 2.
- B Micro 3.
- C Maxi.
- D Mini.
- E M Case.
- F J Case.
- G J Case Low Profile.
- H Slotted M Case.
FUSES – TROUBLESHOOTING
FUSES – FREQUENTLY ASKED QUESTIONS
- When do I need to check a fuse?
If electrical components in the vehicle are not working. - When do I need to replace a fuse?
If a fuse has blown. - How do I identify a blown fuse?
You can identify a blown fuse by a broken wire within the fuse.
Useful Links:
2024 Ford Super Duty Review, Specs, Price and Mileage (Brochure)
2024 FORD Super Duty Warning Lights and Indicators Guide