Description
The BSM DELPHI R05-00 unit for Citroën and Peugeot vehicles is a crucial electronic module responsible for managing and distributing electrical power within the engine compartment. Identified by part number 9666700480, this unit plays a vital role in ensuring reliable operation of essential vehicle systems.
The BSM (Boîtier de Servitude Moteur) functions as the primary fuse and relay box in the engine bay. It controls the power supply to components such as headlights, windshield wipers, fans, and other critical systems. Integrated fuses and relays within the unit provide protection against short circuits and overloads, safeguarding sensitive electrical components.
Installation Instructions:
The BSM R05-00 unit is housed in a plastic casing located near the battery in the engine compartment. Before removing the unit, disconnect the positive battery terminal to ensure safety. Loosen the 13 mm nut securing the unit. Next, release all connectors except one, which will be used to carefully extract the unit towards you. On each side of the unit, small locking tabs need to be gently pried open using a flathead screwdriver while pulling the last cable towards you. Additionally, unlock two clips underneath that secure the main fuses. Reinstallation is done in the reverse order of removal.
Common Issues and Maintenance:
Sometimes the unit’s plastic housing may have cracked mounting points, which does not affect its functionality. Regular inspection and careful handling during replacement help prevent damage. The BSM unit is known to last many years; however, failures can occur due to electrical surges or corrosion, leading to intermittent operation or failure of electrical systems.
