Relay unit, radiator fans (706a), B207 with two radiator fans

Location

Relay unit, radiator fans (706)

Main task

To control the radiator fans.

Type

Relay box containing relays and resistors.

Connection

706a pin no	Signal type	Description
3, 6	+30	Supplied with power from maxi fuses 35 and 36 to pins 3 and 6.
2, 5	ground	Grounded in grounding point G30B.
1, 4 and 7	ground	Grounded by ECM. The pin is grounded differently depending on the current fan stage.

Power supply

Control