Ford F-550 2023 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located under the glove box.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 30A | Power windows |
| 2 | 30A | Powered tailgate module |
| 3 | 30A | Passenger door module |
| 4 | 15A | Multi-contour seats |
| 5 | - | Not used |
| 6 | - | Not used |
| 7 | 20A | Advanced driver assistance system module |
| 8 | 10A | Delayed accessory logic |
| 9 | - | Not used |
| 10 | - | Not used |
| 11 | 5A | Instrument cluster |
| 12 | - | Not used |
| 13 | 7.5A | Not used (spare) |
| 14 | 15A | SYNC |
| 15 | 5A | Center high-mounted stop lamp camera |
| 16 | - | Not used |
| 17 | - | Not used |
| 18 | 10A | Radio transceiver module, Four-wheel drive switch, Enhanced central gateway |
| 19 | - | Not used |
| 20 | 5A | Inverter |
| 21 | 5A | Upfitter switch |
| 22 | 10A | Auxiliary camera |
| 23 | - | Not used |
| 24 | 30A | Moonroof |
| 25 | 5A | Not used (spare) |
| 26 | 5A | Near field communication module |
| 27 | 5A | Trailer brake control switch |
| 28 | 5A | Electrochromatic mirror |
| 29 | 5A | Heating, ventilation and air conditioning |
| 30 | - | Not used |
| 31 | - | Not used |
| 32 | - | Not used |
| 33 | 10A | Brake on-off switch |
| 34 | 7.5A | Steering column control module, Instrument cluster |
| 35 | 5A | Rear heated seats |
| 36 | 7.5A | Manual shift, Select shift switch |
| 37 | 5A | Head up display |
| 38 | 7.5A | Telematics control unit |
| 39 | - | Not used |
| 40 | 10A | Left-hand door switch, Telescopic exterior mirror switch |
| 41 | 10A | Adjustable pedals |
| 42 | 5A | Central security module |
| 43 | 5A | Headlamps, Ignition switch |
| 44 | 30A | Driver door module |
| 45 | 7.5A | Wireless accessory charger module, Driver front seat module |
| 46 | 20A | Radio |
| 47 | - | Not used |
| 48 | - | Not used |
| 49 | 7.5A | SYNC display screen |
| 50 | 5A | Auxiliary smart data link connector |
| 51 | - | Not used |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 50A | Cooling fan 1 |
| 2 | 50A | Heater |
| 3 | 50A | Heater |
| 4 | 50A | Heater |
| 9 | 30A | Four-wheel drive module |
| 10 | 30A | Compressed natural gas module switch |
| 12 | 60A | Anti-lock brake system pump |
| 13 | 30A | Passenger power seat |
| 14 | 40A | Anti-lock brake system valve |
| 15 | 30A | Body control module RP2 bus |
| 21 | 10A | Trailer tow backup lamps |
| 22 | 10A | Four-wheel drive system |
| 23 | 20A | Vehicle power 1 |
| 24 |
20A 10A |
Vehicle power 2 (gas) Vehicle power 2 (diesel) |
| 25 |
15A 10A |
Vehicle power 3 (gas) Vehicle power 3 (diesel) |
| 26 | 20A | Vehicle power 4 |
| 27 |
10A 20A |
Vehicle power 5 (gas) Vehicle power 5 (diesel) |
| 29 | 15A | Diesel exhaust fluid tank heater |
| 30 | 15A | Diesel exhaust fluid line heater |
| 31 | 15A | Glow plug and dosing module |
| 34 | 20A | Rear heated seats |
| 36 | 30A | Climate controlled seat module |
| 37 | 5A | 24 V alternator |
| 38 | 10A | Powertrain control module, Transmission control module |
| 39 | 10A | Anti-lock brake system |
| 40 | 10A | Electronic power assist steering |
| 41 | 10A | Blind spot information system, Trailer tow tire pressure monitoring system, Rear electronic module controller area network |
| 42 | 10A | Snowplow |
| 43 | 15A | Interior power distribution box run/start |
| 45 | 15A | Heated steering wheel |
| 46 | 20A | Not used (spare) |
| 47 | 5A | Not used (spare) |
| 48 | 30A | Amplifier |
| 49 | 25A | Not used (spare) |
| 51 | 40A | Blower motor |
| 52 | - | Not used |
| 53 | 10A | Four-wheel drive - transfer case control module |
| 54 | 10A | Not used (spare) |
| 55 | 10A | Not used (spare) |
| 56 | 40A | Electronic power assist steering |
| 57 | 20A | Trailer tow lighting module |
| 58 | 50A | Customer interface module |
| 59 | 60A | Inverter |
| 60 | 60A | Interior power distribution box B+ |
| 61 | 30A | Vehicle battery 2 |
| 62 | 5A | Smart trailer hitch |
| 63 | 10A | Smart data link connector, Enhanced central gateway |
| 64 | 5A | Glow plug relay coil (diesel) |
| 65 | 10A | Compressed natural gas module power |
| 74 | 30A | Trailer brake control, Aftermarket e-brake access |
| 75 | 30A | Compressed natural gas powered at all times |
| 76 | 25A | Trailer tow lighting module battery charge |
| 77 | 30A | Vehicle battery 1 |
| 78 | 20A | Power point 2 |
| 79 | 20A | Power point 1 |
| 84 | 20A | Horn |
| 85 | 40A | Heated rear windshield |
| 91 | 5A | Headlamp control module |
| 92 | 15A | Left-hand headlamp |
| 93 | 15A | Right-hand headlamp |
| 94 | 20A | Power point 3 |
| 95 | 20A | Power point 4, Smart charge module |
| 98 | 10A | Tailgate release |
| 101 | 50A | Customer interface module |
| 102 | 5A | Rain sensor |
| 103 | 30A | Front wiper motor |
| 105 | 30A | Fuel pump |
| 106 | 30A | Body control module RP1 bus |
| 107 | 25A | Trailer tow park lamps |
| 108 | 40A | Driver power seat |
| 109 | 30A | Starter motor |
| 111 | 30A | Power sliding rear window |
