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Re: Mercedes R350 Cooling fan turning on with vehicle off
Posted to Technical Discussion Forum on 2/28/2017

HI Gray,

As you know terminal 30 should be B+ it gets power from Fuse f8 (100amp) in F32. You sure you wrote the voltages/pin correct? 86 should be terminal 15, key switched power. The fuses get power from terminal 87 of the kD relay. I don't see how they co... Login to read more.