Thermo fan troubles

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  • Blake23
    Member
    • Jan 2017
    • 54

    #1

    Thermo fan troubles

    Hey, ive followed this thermo fan thread (https://www.r3vlimited.com/board/sho...10783&t=210783) and for some reason i cant get anything’s to work....

    Ive used this http://daviescraig.com.au/product/me...h-12v-24v-0401 instead of the switch in the side of the radiator because I couldn’t find anywhere that had one locally and i was trying to get this going

    Im using the BK/Blue (red after plug) for +ve and I’m not getting any voltage to this wire (from fuse 18??). Ive checked fuses and they are all there.

    Am i missing something? This is my diagram of how ive got it connected

    Thanks Blake
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  • JakeJohnas
    Noobie
    • Oct 2017
    • 3

    #2
    Hi!
    Thank you so much, I was looking for a thermo fan thread, thanks!
    The cars we drive say a lot about us.- Alexandra Paul.

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    • vpilarrt
      R3VLimited
      • Jun 2006
      • 2096

      #3
      Fuse 18 doesn't get any power until the OEM temp switch trips the fan high speed relay (K6). Splice your green wire to the black/brown wire in the OEM temp switch harness, that should trip K6 when your new temp switch actuates.

      See page 6454-0 in http://wedophones.com/Manuals/BMW/19...g%20Manual.pdf

      Comment

      • Blake23
        Member
        • Jan 2017
        • 54

        #4
        Hey, thanks for the reply. I solved it with the green to bk/br wire!!

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