Peugeot 406

since 1996 release

Repair and operation of the car

Peugeot 406
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engine
+ 4. Cooling systems, heating and ventilation
+ 5. Fuel system
+ 6. System of ignition
+ 7. Coupling
+ 8. Transmissions
+ 9. Power shafts
+ 10. Brake system
+ 11. Suspension bracket and steering
+ 12. Body
- 13. Electric equipment
   13.1. Technical data
   13.2. Detection of not closed chain
   13.3. Safety locks and relay
   13.4. Switches
   13.5. Bulbs of external lighting
   13.6. Lighting lamps of salon
   13.7. Devices of external lighting
   13.8. Adjustment of light of headlights
   13.9. Combination of devices
   13:10. Multipurpose display
   13:11. Lighter
   13:12. Hours
   13:13. Sound signal
   13:14. Screen wiper lever
   13:15. Engine of a screen wiper and draft
   13:16. Back screen wiper
   13:17. Windscreen washer
   13:18. Automobile radio tape recorder
   13:19. Column (dynamics)
   13:20. Antenna
   13:21. Control system cruise control
   13:22. Anticreeping system and immobilizer of the engine
   13:23. Electric units of forward sitting
   13:24. Safety cushion
   13:25. Safety cushion elements
   + 13:26. Electric circuits
+ 14. Main malfunctions

13.3. Safety locks and relay


Safety locks

Arrangement of safety locks in the main box

The majority of safety locks is located in the box with fuses which is in the lower part of the dashboard from the driver. Additional safety locks are located in a box of safety locks and the relay on the left forward side of a motor compartment.


1. For access to the main box with fuses open an immobilizer cover, turn a clip on 90 ° and uncover the block of safety locks.
2. For access to the fuses located in a motor compartment just uncover a box of safety locks.
3. Designation of the chains protected by fuses is given on a cover of a box of safety locks, and also in the maintenance instruction.
4. When replacing a safety lock switch off the electric chain protected by it. Then take a safety lock from clips.
5. Always replace a safety lock with another of the same power. Never replace a safety lock more than once, without having defined the reason of its burn-out.


The majority of the relay are located in a box of the relay and safety locks in a motor compartment or in the lower part of the dashboard from the driver, except for the following:

 – hatch relay;
 – screen wiper relay;
 – radiator fan relay.