Learn about Citroën Relay II / Jumper II 2006-2010 fuse box and relay’s locations, functions, and maintenance tips for optimal vehicle electrical system.
The Citroën Relay II / Jumper II (2006-2010) is a versatile commercial vehicle available in various body styles, including panel vans, chassis cabs, and minibus configurations. It offers flexible cargo and seating options, making it ideal for businesses and transport. Key features include efficient diesel engines, spacious interiors, and advanced safety options like ABS and parking sensors.
The fuse box, located under the dashboard and in the engine bay, protects electrical systems such as the lighting, central locking, and infotainment from electrical faults by disconnecting power if a fuse blows.
The relays control essential functions, including the engine starter, cooling fans, and fuel pump. These relays allow smaller electrical currents to manage larger systems, ensuring proper operation of critical components. If a relay fails, it may cause starting issues or cooling problems, affecting vehicle performance.
Regular maintenance of the fuse box and relays is essential to keep the Citroën Relay II’s electrical systems functioning smoothly, ensuring optimal performance for both commercial and passenger use.
MUST READ: DYI – How to Check Car Fuses?
(2006-2010) Citroën Relay II / Jumper II fuse box and relay with Diagram
WARNING
- Never replace a fuse with one that has a higher amperage rating.
- A fuse with a too-high amperage could damage the electrical part and cause a fire.
- On no account should fuses be repaired (e.g. patched up with tin foil or wire) as this may cause serious damage elsewhere in the electrical circuit or cause a fire.
- If a fuse blows repeatedly, do not keep replacing it. Instead, have the cause for the repeated short circuit or overload tracked and fixed.
- Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
Citroën Relay II / Jumper II 2006-2010 fuse assignment
Year of production: from 2006, 2007, 2008, 2009, 2007, 2008, 2009, 2010, 2011
Fuse box in instrument panel (driver side)
Remove the bolts and tilt the box to access the fuses.
| Fuses | Ampere rating [A] | Allocation |
| 12 | 7,5 | Right-hand dipped headlamp |
| 13 | 7,5 | Left-hand dipped headlamp – Headlamp height adjuster |
| 31 | 7,5 | Relay supply |
| 32 | 10 | Minibus interior lighting – Hazard warning lights |
| 33 | 15 | Rear 12 V socket |
| 34 | — | Not used |
| 35 | 7,5 | Reversing lights – Water in diesel sensor |
| 36 | 20 | Door locking/unlocking unit |
| 37 | 10 | Brake lights switch – Third brake light – Instrument panel |
| 38 | 10 | Interior relays |
| 39 | 10 | Audio equipment – Diagnostics socket – Alarm siren – Programmable additional heating controls |
| 40 | 15 | De-icing: rear screen (left-hand side), mirror (passenger side) |
| 41 | 15 | De-icing: rear screen (right-hand side), mirror (driver’s side) |
| 42 | 7,5 | ABS control unit and sensor – ESP sensor – Brake lights switch |
| 43 | 30 | Windscreen wiper motor |
| 44 | 20 | Lighter – Front 12 V socket |
| 45 | 7,5 | Electric window and mirror switches (driver’s side) – Passenger electric window |
| 46 | — | Not used |
| 47 | 20 | Driver’s electric window motor |
| 48 | 20 | Passenger electric window motor |
| 49 | 7,5 | Rain/brightness sensor – Audio equipment – Driver’s electric window motor – Alarm – Instrument panel controls |
| 50 | 7,5 | Air bags and pre-tensioners unit |
| 51 | 7,5 | Chronotachograph – Cruise control – Air conditioning controls |
| 52 | 7,5 | Passenger compartment relays |
| 53 | 7,5 | Instrument panel – Rear fog lamps |
Driver’s pillar fuses
| Fuses | Ampere rating [A] | Allocation |
| 54 | — | Not used |
| 55 | 15 | Heated seats |
| 56 | 15 | Rear 12 V socket – Lighter |
| 57 | 10 | Ventilation/heating motor under the driver’s seat |
| 58 | 10 | Direction indicators |
| 59 | — | Not used |
| 60 | — | Not used |
| 61 | — | Not used |
| 62 | — | Not used |
| 63 | 10 | Programmable additional heating switch |
| 64 | — | Not used |
| 65 | 30 | Rear blower |
Fuse box in engine compartment
| Fuse | Ampere rating [A] | Allocation |
| 1 | 10 | ABS/ESP pump supply |
| 2 | 50 | Diesel pre-heat unit |
| 3 | 30 | Ignition switch |
| 4 | 20 | Programmable additional heating burner |
| 5 | 20 | Programmable additional heating controls relay |
| 6 | 40 | Fan assembly (high speed) |
| 60 | ||
| 7 | 40 | Fan assembly (low speed) |
| 50 | ||
| 8 | 40 | Air conditioning |
| 9 | 20 | Windscreen wash pump |
| 10 | 15 | Horn |
| 11 | 15 | Diesel pre-heat unit and relay |
| 14 | 7,5 | Right-hand main beam headlamp |
| 15 | 7,5 | Left-hand main beam headlamp |
| 16 | 7,5 | Engine control unit |
| 17 | 10 | Engine control unit |
| 18 | 7,5 | Engine control unit |
| 19 | 7,5 | Air conditioning compressor |
| 20 | 30 | Headlamp wash pump |
| 21 | 15 | Fuel pump supply |
| 22 | 20 | Engine control unit |
| 23 | 10 | ABS/ESP solenoid valves supply |
| 24 | — | Not used |
| 30 | 15 | Front fog lamps |
Conclusion
For owners and enthusiasts of classic Citroën Relay II / Jumper II 2006-2010, understanding the fuse box and relay systems is essential for vehicle maintenance. Regular inspection and maintenance of these components helped ensure the vehicle’s longevity and reliability, preserving its status as a symbol of Citroën’s craftsmanship and innovation in the automotive industry during that era.