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    #16
    Originally posted by roguetoaster View Post
    My HVAC fan now turns on to what seems like speed 1 if the fan speed knob is set to off and I press the recirc button. It's a 91 318i and the switch is from an unknown year.
    Yes, that's what should happen - turn on recirc and low speed fan starts up

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      #17
      I checked the wiring diagram and the recirc button does fire the blower on low speed. Good catch.
      Deck Lid and soft top Shocks on hand

      Seat shocks on hand for immediate shipment
      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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        #18
        Originally posted by jdt10768 View Post
        Yes, that's what should happen - turn on recirc and low speed fan starts up
        I do now wonder if there is a difference in switches as my previous switch has an AC button failure, yet recirc functioned without activating the fan.

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          #19
          Originally posted by roguetoaster View Post
          I do now wonder if there is a difference in switches as my previous switch has an AC button failure, yet recirc functioned without activating the fan.
          There are 2 sets of contacts on the recirc side of the switch (separate from the AC side) with one going to the recirc flap motor relays and the other to blower 1. A bad contact on the blower resistor contact would fit your symptoms
          Deck Lid and soft top Shocks on hand

          Seat shocks on hand for immediate shipment
          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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            #20
            Random but I love how the A/C buttons feel on the E30.
            1991 318is Brillantrot daily driver (slow restoration)

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