Relay unit, radiator fan (706a), with two radiator fans, E39

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	BATT+	Powered from maxi fuse 36 to pin 3.
6	BATT+	Powered from maxi fuse 35 to pin 6.
2, 5	ground	Grounded to grounding point G30A, via crimp connection J1.
1, 4 and 7	ground	Grounded by SCM (587). The pin is grounded differently depending on the current fan stage.

Power supply and control