MG MG3 (2019 – 2023) – fuse and relay box diagram
Year of production: 2019, 2020, 2021, 2022, 2023
This article focuses on the second-generation MG MG3, following its second facelift, produced from 2018 to 2023. It includes fuse box diagrams for the 2019 through 2023 models, provides details on the locations of the fuse panels inside the vehicle, and explains the function of each fuse (fuse layout).
Location
- Passenger Compartment Fuse Box （below the glove box at the front passenger side）.
- Engine Compartment Fuse Box （at the left side of the Engine Compartment
Passenger Compartment Fuse Box
Fuse Box Location
The fuses are located below the glove box at the front passenger side.
Fuse Box Diagram
Assignment of the fuses in the passenger compartment
| № | Amps | Function |
|---|---|---|
| F1 | 20A | Rear wiper relay, Rear wash relay |
| F2 | 15A | Central lock motor (unlock) |
| F3 | 10A | Diagnostic socket, Rearview mirror switch, Central door locking switch |
| F4 | 5A | Steering angle sensor, Headlamp leveling, Master light switch |
| F5 | 10A | Horn relay |
| F6 | 10A | DC/DC, SCS control unit, Instrument pack, Body control module, TPMS, MTC, ETC, Daytime running lamp relay, Passenger airbag disable switch |
| F7 | 15A | Super lock relay |
| F8 | 10A | Airbag control module |
| F9 | 10A | Fuel pump relay, Inertia switch |
| F10 | 5A | Left side lamp, Left tail lamp, Interior switch illumination |
| F11 | 5A | Interior lights |
| F12 | 5A | Right side lamp, Right tail lamp, Rear license plate lamp, Interior switch illumination |
| F13 | 15A | Brake pedal switch |
| F14 | 15A | Central lock motor (lock) |
| F15 | 10A | Reverse switch |
| F16 | 15A | Front power socket |
| F17 | – | – |
| F18 | 10A | Blower relay, Body control module, Passenger compartment fuse box fuse F11, Rear wash relay, Instrument pack, Light sensor, Color radio, Radio |
| F19 | 7.5A | Left brake lamp, High-mounted brake lamp |
| F20 | 25A | Rear left window lift switch |
| F21 | 7.5A | Right brake lamp |
| F22 | 25A | Rear right window lift switch |
| F23 | 5A | Body control module, Starter relay, Engine control module |
| F24 | 25A | Front passenger window lift switch |
| F25 | 20A | Rear window heating element |
| F26 | 25A | Driver door combination switch |
| F27 | 10A | Outside door mirror heating element |
| F28 | 20A | Radio, Color radio, Entertainment system panel switch |
| F29 | – | – |
| F30 | 10A | MTC, ETC, ETC panel, TPMS |
| F31 | – | – |
| F32 | 10A | Instrument pack |
| F33 | – | – |
| F34 | 10A | DAB |
| F35 | – | – |
| F36 | – | – |
| F37 | – | – |
| F38 | – | – |
Engine Compartment Fuse Box
Fuse Box Diagram
Assignment of the fuses in the engine compartment
| № | Amps | Function |
|---|---|---|
| F1 | 10A | Right front dipped beam |
| F2 | 5A | Downstream oxygen sensor, Intake camshaft solenoid valve, Exhaust camshaft solenoid valve |
| F3 | 10A | Left front dipped beam |
| F4 | 10A | A/C compressor clutch relay |
| F5 | 5A | Engine control module |
| F6 | 5A | A/C compressor clutch relay, Canister control valve, A/C medium pressure switch, Cooling fan relay box, Fuel pump relay, Starter relay, Clutch position switch, Start stop switch |
| F7 | 30A | Front wiper enable relay, front wiper speed relay |
| F8 | 5A | Upstream oxygen sensor |
| F9 | 15A | Daytime running lamp |
| F10 | 10A | Right front main beam, instrument pack main beam indicator |
| F11 | 10A | Left front main beam |
| F12 | 30A | Ignition coil, Fuel injector, Neutral position switch, Engine control module |
| F1 3 | – | – |
| FL1 | 200A | Alternator, fuse in engine compartment fuse box F4, FL11 |
| FL2 | 40A | SCS unit (pump) |
| FL3 | 40A | Cooling fan relay box |
| FL4 | 60A | Fuse in passenger compartment fuse box F20, F22, F24, F26 |
| FL5 | 80A | Fuse in passenger compartment fuse box F1, F3, F5, F7, F9, F25, F27, HRW relay |
| FL6 | 25A | SCS system (valve) |
| FL7 | 50 A | Ignition switch |
| FL8 | 25A | Body control module |
| FL9 | 30A | DC/DC, Fuse in passenger compartment fuse box F28, F30, F32, F34 |
| FL10 | 25A | Body control module |
| FL11 | 30A | Blower relay |
| FL12 | 25A | Body control module |
| FL13 | 30A | Starter relay |
| FL14 | 25A | Body control module |
| FL15 | 30A | Main beam relay, Daytime running lamp relay, Position lamp relay |
| FL16 | – | – |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.