Peugeot 407 (2005) – fuse box diagram
Year of production: 2005
Engine compartment fuses

| Fuse | Ampere rating [A] | Functions |
| 1 | 20 | Engine management control unit |
| 2 | 10 | Horn |
| 3 | 10 | Front and rear wash-wipe |
| 4 | 20 | Headlamp wash |
| 5 | 15 | Fuel pump |
| 6 | 10 | Automatic gearbox control unit |
| 7 | 10 | Power steering control unit, engine coolant level sensor |
| 8 | 15 | Starter coil |
| 9 | 10 | Xenon bulb electronic supply, halogen headlamps height adjusters |
| 10* | 30 | Engine management actuators (ignition coil, solenoid valves, oxygen sensors) |
| 11* | 40 | Air conditioning blower or not used |
| 12* | 30 | Windscreen wipers |
| 13* | 40 | Built-in system interface supply (ignition positive) |
| 14* | 30 | Air pump |
| * The maxi-fuses provide additional protection for the electrical systems. | ||
Fascia fuses

| Fuse | Ampere rating [A] | Functions |
| 1 | 15 | Boot fusebox, diagnostics socket, low current steering lock |
| 4 | 20 | Steering wheel controls, audio equipment, alarm, navigation-telematics, multifunction display, automatic gearbox, electric seat memory unit |
| 5 | 15 | Alarm siren, tyre under-inlation detection unit |
| 6 | 10 | STOP switch, automatic gearbox electronics, clutch switch, electrochromatic mirror, courtesy mirror, map reading lights, diagnostic connector, steering wheel angle sensor, ESP dual function sensor, panoramic roof concealing shutter (407 SW) |
| 7 | 15 | Alarm (accessory) |
| 9 | 30 | Rear one-touch electric windows |
| 10 | 20 | Front 12 V accessories socket, lighter, glove box switch |
| 11 | 15 | Electric child lock, rear doors deadlocking |
| 12 | 30 | Front one-touch electric windows, sunroof |
| 14 | 10 | Engine fusebox, boot fusebox, trailer fusebox (accessory), wipers relay |
| 15 | 15 | Instrument panel, air conditioning control panel, rain and brightness sensors, electric seats, air bags control unit |
| 16 | 30 | Central locking/deadlocking |
| 20 | 10 | Not used |
| 21 | 15 | Not used |
| 22 | 20 | Not used |
| S1 | — | PARC shunt |
| Fuse | Ampere rating [A] | Functions |
| G36 | 30 | Audio Hi-Fi assembly |
| G37 | 15 | Six-speed automatic gearbox supply |
| G38 | 30 | Right and left heated seats |
| G39 | 30 | Right electric seat |
| G40 | 30 | Left electric seat |
Boot fuses

| Fuse | Ampere rating [A] | Functions |
| 1 | 15 | Rear wiper |
| 2 | 15 | Fuel filler lap locking |
| 3 | 15 | Rear 12 V accessories socket |
| 4 | 15 | Particle emission filter |
| 5 | 40 | Heated rear screen |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market
