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Re: Mercedes R350 Cooling fan turning on with vehicle off
Posted to Technical Discussion Forum on 9/29/2017

Found 6.5 volts on fuse to glove box light. When glove box was open the voltage would drop with key off and drain would be gone. Removed relay that fed fuses and all fuses including rear wiper relay and voltage increased to 12 inside rear fuse panel. Tried to ... Login to read more.