: Designed to handle high-current faults and protect the main engine ECU from surges.
: The mechanical relays inside have a finite lifespan, eventually sticking or failing to bridge the gap. The Restoration siemens bsm b3 schematic work
The "schematic work" of a BSM B3 is a balancing act of power and logic: The Power Grid : Designed to handle high-current faults and protect