Power Supplies within the Electrical & Lighting system are critical components responsible for converting and distributing electrical energy throughout the vehicle. These parts ensure stable voltage levels for sensitive electronic modules, including engine control units, transmission controllers, and body control modules. Typically found within the engine compartment or integrated into the vehicle's electrical center, power supplies manage incoming voltage from the alternator and/or battery to provide consistent power. Modern vehicles increasingly rely on complex power supply systems to support advanced features and maintain operational reliability. Examples in this category include MAN MPN 81274216052, Scania 1774004, and MAN MPN 81.15408-0002, each tailored to specific vehicle electrical architectures.