2006 E86 Z4 3.0 - Aux fan has no live feed

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Thread: 2006 E86 Z4 3.0 - Aux fan has no live feed

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  1. 2006 E86 Z4 3.0 - Aux fan has no live feed 
    #1
    Bimmer Fan
    Car Details
    ian.lb's Car Details
    Model of Car:
    z4 coupe
    Year of Manufacture:
    2006
    Transmission Type:
    auto
    Car Body Type:
    coupe

    Join Date
    Aug 2010
    Location
    liverpool
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    Hi guys,

    I'm hoping you'll be able to help me. My radiator fan is not working. I've tested the wires and I have a good earth and the thin black/blue wire (signal from the Ecu to vary the fan speed - I think??) was reading 4.7v so this looks to be ok. The thick red/blue cable, which I think should carry 12v when the ignition is on, has no supply.

    I cant seem to find out if there is a fuse or relay that controls this. Furthermore, I cant seem to find any relays anywhere in the engine bay. Are there any??

    I've checked the fuses in the fusebox and the fuses in the black box on the passenger side of the engine bay and they all seem to be ok.

    I'm stumped with this as Idont really know where the feed ie the red/blue wire comes from. I'm not 100% sure it should have a constant feed but it makes sense that it would.

    I'm reluctant to use the car for any more than short journeys without getting this sorted. Can anyone advise what will be causing this?

    Thanks a lot

    Ian
     
     

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  3.  
    #2
    BMW Guru
    Car Details
    mark@vorny.co.uk's Car Details
    Model of Car:
    911 C2S
    Year of Manufacture:
    2009
    Transmission Type:
    Automatic
    Car Body Type:
    Coupe
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    Anybody assist the OP here ?
    2013, Porsche 911 Carrera 4S, PDK, Sports Exhaust, Chrono, etc, etc

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  4.  
    #3
    Bimmer Fan
    Car Details
    ian.lb's Car Details
    Model of Car:
    z4 coupe
    Year of Manufacture:
    2006
    Transmission Type:
    auto
    Car Body Type:
    coupe

    Join Date
    Aug 2010
    Location
    liverpool
    Posts
    8
    Thanks
    0
    Thanked 1 Time in 1 Post
    I've fixed it. If anyone needs any details, please feel free to PM me
     
     

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