Stock AC Fan - Wiring for High Speed Only

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  • funcrew
    E30 Fanatic
    • Jun 2007
    • 1223

    #1

    Stock AC Fan - Wiring for High Speed Only

    My mis-manufactured radiator does not have a port to install the temp sensor. I would like to wire the HVAC fan to run on high speed when the AC switch is on (8 months out of the year here in Las Vegas). Reading the official fan wiring thread didn't turn on the lights for me. Any help would be appreciated.
    "If the sky were to fall tomorrow, the tall would die first."

    -Dr. Paul Forrester



    Do I LOOK like I need a psychological evaluation???
  • Kevinl
    E30 Modder
    • Oct 2012
    • 897

    #2
    Just remove the inline resistor and replace the low speed fuse with a 30a
    1989 BMW 325is Lachsilber metallic 5 speed
    2007 BMW 335i KARMESINROT 6 Speed manual
    2011 BMW X5 35I

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    • jeffnhiscars
      R3V OG
      • Jun 2011
      • 6010

      #3
      Originally posted by Kevinl
      Just remove the inline resistor and replace the low speed fuse with a 30a
      did this exact thing yesterday to fix the ac on a Cabrio I am rescuing.
      Seat Shocks....I have passed the baton to John Christy from Ninestitch. Email John or Garrett at ninestitch1@gmail.com

      https://www.r3vlimited.com/board/sho...86#post4944786
      Alice the Time Capsule
      http://www.r3vlimited.com/board/showthread.php?t=360504
      87 Zinno Cabrio barn find 98k and still smells like a barn. Build thread http://www.r3vlimited.com/board/show...20#post3455220

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      • funcrew
        E30 Fanatic
        • Jun 2007
        • 1223

        #4
        So bypass this by screwing both wires to one end of the resistor, and upgrade the fuse?
        Last edited by funcrew; 06-20-2016, 06:17 PM.
        "If the sky were to fall tomorrow, the tall would die first."

        -Dr. Paul Forrester



        Do I LOOK like I need a psychological evaluation???

        Comment

        • funcrew
          E30 Fanatic
          • Jun 2007
          • 1223

          #5
          Success! And the resistor cracked to pieces as soon as I messed with it. Used my korean war era cloth electrical tape and some 13 year old scotch 77 spray glue to tidy up the connection. Thanks to all for your help.
          "If the sky were to fall tomorrow, the tall would die first."

          -Dr. Paul Forrester



          Do I LOOK like I need a psychological evaluation???

          Comment

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