2021 Ford Bronco U725 Fuse Box Diagram
The 2021 Ford Bronco (U725) has 2 fuse boxes. Choose the one you’re looking at.
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Engine compartment fuse box (power distribution box)
In the engine compartment on the driver's side, behind the brake fluid reservoir next to the battery. Ford's under hood fuse box (power distribution box): release the cover latches and lift the lid; the plate inside the lid numbers the fuses. Drawn as the owner's-manual plate E330939 shows it (2021 and 2022 editions), with the box seen from the fuse side: three groups of fuses around three round openings, M case cartridges drawn as cartridges and Micro 2 blades as MINI blades.
| No. | Function | Amp | Description |
|---|---|---|---|
| 1 | 30 AJCASE | Body control module, battery power feed 1 | |
| 3 | 30 AJCASE | Body control module, battery power feed 2 | |
| 4 | 30 AJCASE | Fuel pump | |
| 6 | 25 AMINI | Powertrain control module power supply | |
| 7 | 30 AMINI | Powertrain components (engine sensors and actuators) | |
| 8 | 20 AMINI | Powertrain components (engine sensors and actuators) | |
| 9 | 20 AMINI | Ignition coils | |
| 13 | 40 AJCASE | Blower motor | |
| 16 | 10 AMINI | Rear window washer | |
| 18 | 30 AJCASE | Starter motor | |
| 21 | 10 AMINI | Not used (spare fuse) | |
| 22 | 10 AMINI | 360-degree camera module | |
| 23 | 10 AMINI | Anti-lock brake system, run/start feed | |
| 24 | 10 AMINI | Powertrain control module, power steering control module | |
| 25 | 10 AMINI | Blind spot information system, rear view camera, adaptive cruise control, driveline control module | |
| 26 | 15 AMINI | Transmission control module (15 A in the owner's manual; 10 A in the wiring diagram) | |
| 28 | 60 AJCASE | Anti-lock brake system valves | |
| 29 | 60 AJCASE | Anti-lock brake system pump | |
| 30 | 30 AJCASE | Driver power seat | |
| 31 | 30 AJCASE | Passenger power seat | |
| 32 | 20 AJCASE | Auxiliary power point (12 V socket) | |
| 33 | 20 AJCASE | Auxiliary power point (12 V socket) | |
| 34 | 20 AJCASE | Auxiliary power point (12 V socket) | |
| 36 | 40 AJCASE | 150 W DC/AC power inverter | |
| 38 | 30 AJCASE | Heated seat module | |
| 42 | 30 AJCASE | Trailer brake control module | |
| 44 | 10 AMINI | Brake on/off (stop lamp) switch | |
| 46 | 20 AMINI | SYNC module (20 A in the owner's manual; 15 A in the wiring diagram) | |
| 50 | 40 AJCASE | Heated rear window | |
| 54 | 40 AJCASE | Driveline control module (4WD) | |
| 55 | 30 AJCASE | Trailer tow park lamp relay | |
| 58 | 20 AJCASE | Trailer tow backup (reversing) lamps | |
| 60 | 30 AJCASE | Upfitter (auxiliary) switch 1 (30 A in the owner's manual; 25 A in the wiring diagram) | |
| 61 | 15 AJCASE | Upfitter (auxiliary) switch 2 | |
| 62 | 10 AMINI | Upfitter (auxiliary) switch 3 | |
| 63 | 10 AMINI | Upfitter (auxiliary) switch 4 (10 A in the owner's manual; 5 A in the wiring diagram) | |
| 64 | 10 AMINI | Upfitter (auxiliary) switch 5 (10 A in the owner's manual; 5 A in the wiring diagram) | |
| 65 | 10 AMINI | Upfitter (auxiliary) switch 6 (10 A in the owner's manual; 5 A in the wiring diagram) | |
| 66 | 10 AMINI | Stabilizer bar disconnect module (10 A in the owner's manual; 20 A in the wiring diagram) | |
| 69 | 30 AJCASE | Front windshield wiper | |
| 71 | 30 AJCASE | Rear window wiper | |
| 91 | 40 AJCASE | Trailer tow light module | |
| 100 | 20 AMINI | Left-hand headlamp | |
| 101 | 20 AMINI | Right-hand headlamp | |
| 107 | 30 AJCASE | Trailer tow battery charge | |
| 120 | 10 AMINI | Fuel injectors (2.7 L EcoBoost) (10 A in the owner's manual; 15 A in the wiring diagram) | |
| 124 | 5 AMINI | Not used (spare fuse) | |
| 125 | 10 AMINI | USB smart charger 1 | |
| 139 | 5 AMINI | USB smart charger 2 | |
| 140 | 5 AMINI | Not used (spare fuse) | |
| 141 | 5 AMINI | Not used (spare fuse) | |
| 146 | 20 AMINI | Audio amplifier (20 A in the owner's manual; 5 A in the wiring diagram) | |
| 158 | 10 AMINI | Stabilizer bar disconnect module, run/start feed | |
| 160 | 10 AMINI | Smart data link connector (diagnostic port) (10 A in the owner's manual; 15 A in the wiring diagram) | |
| 182 | 60 AJCASE | Driver door module | |
| 183 | 60 AJCASE | Passenger door module | |
| 202 | 60 AJCASE | Body control module B+ feed | |
| 210 | 30 AJCASE | Body control module start/stop feed (30 A in the owner's manual; 60 A in the wiring diagram) |
Body control module fuse box (passenger compartment)
Under the instrument panel on the driver's side, low down to the left of the steering column near the brake pedal: pull the trim panel at the bottom of the dash towards you and lower it to reach the box. Ford's body control module fuse box, drawn as the owner's-manual plate E145984 shows it: the 30 A circuit breaker socket (38) at the left, positions 1-5 above 23-28, then the taller Micro 3 positions 7-22 in two rows with 16 between them and 29-37 along the bottom. Micro 2 and Micro 3 blades are drawn as MINI blades.
| No. | Function | Amp | Description |
|---|---|---|---|
| 1 | Not used | ||
| 2 | 10 AMINI | Power windows, DC/AC power inverter | |
| 3 | 7.5 AMINI | Exterior mirrors, wireless charging module | |
| 4 | 20 AMINI | Not used (spare fuse) | |
| 5 | Not used | ||
| 6 | 10 AMINI | Anti-theft alarm horn | |
| 7 | 10 AMINI | Not used (fuse fitted, no circuit assigned) | |
| 8 | 5 AMINI | Not used (spare fuse) | |
| 9 | 5 AMINI | Not used (spare fuse) | |
| 10 | Not used | ||
| 11 | Not used | ||
| 12 | 7.5 AMINI | Climate control, gateway module | |
| 13 | 7.5 AMINI | Instrument cluster, steering column control module | |
| 14 | 15 AMINI | Not used (spare fuse) | |
| 15 | 15 AMINI | Not used (spare fuse) | |
| 16 | Not used | ||
| 17 | 7.5 AMINI | Not used (spare fuse) | |
| 18 | 7.5 AMINI | Not used (spare fuse) | |
| 19 | 5 AMINI | Ignition switch, headlamps | |
| 20 | 5 AMINI | Telematics modem | |
| 21 | 5 AMINI | In-vehicle temperature and humidity sensor | |
| 22 | 5 AMINI | Not used (fuse fitted, no circuit assigned) | |
| 23 | 30 AMINI | Not used (spare fuse) | |
| 24 | 30 AMINI | Not used (spare fuse) | |
| 25 | 20 AMINI | Not used (spare fuse) | |
| 26 | 30 AMINI | Not used (spare fuse) | |
| 27 | 30 AMINI | Not used (spare fuse) | |
| 28 | 30 AMINI | Not used (spare fuse) | |
| 29 | 15 AMINI | Not used (spare fuse) | |
| 30 | 5 AMINI | Brake on/off (stop lamp) switch | |
| 31 | 10 AMINI | Terrain management switch, integrated control panel, driveline and chassis controls switch panel, 12-inch centre display, radio frequency receiver module | |
| 32 | 20 AMINI | Audio control module | |
| 33 | Not used | ||
| 34 | 30 AMINI | Run/start relay | |
| 35 | 5 AMINI | Not used (spare fuse) | |
| 36 | 15 AMINI | Automatic high beam, image processing module A | |
| 37 | 20 AMINI | Auto-dimming interior mirror, parking assist control module, heated steering wheel | |
| 38 | 30 A circuit breaker position, not used |