B3 Schematic | Siemens Bsm

This connector handles the digital multiplex communication and low-power trigger signals returning to the dashboard.

The BSM B3 utilizes a master circuit board feeding several multi-pin connectors labeled by color and alphabetical position. Large Power Interconnects siemens bsm b3 schematic

Control triggers for headlights, horn, and wiper low/high speeds. BSM | PDF - Scribd siemens bsm b3 schematic

Hidden at the bottom or sides of the unit, these supply high-current systems like the radiator fan, ABS block, and cabin climate blowers. siemens bsm b3 schematic

A heavy-gauge bolted terminal feeding raw 12V power straight from the battery positive post. 28-Pin Gray Connector (Connection to BSI)