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

PIN SIGNAL DESCRIPTION

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.