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Thread: Ambient light switch - where do the Interior light wires go?

  1. #1
    Join Date
    Dec 2016
    Location
    Germany
    Posts
    32
    My Cars
    1991 E34 520i V8

    Ambient light switch - where do the Interior light wires go?

    Hey,
    I'm in the process of installing custom Ambient lighting in the doorpanels;
    My plan was to hook them up to the window button-light.
    However, I want to be able to switch them on and of independent of the headlights being on or off... so my question is which wire do i have to install a switch in to turn the interior light on and off?

    Thanks

  2. #2
    Join Date
    May 2010
    Location
    East Bay Area, CA
    Posts
    1,787
    My Cars
    01 Dinan 740iS, 97 318ti
    I have lighting in the door panels too and I just connected to the puddle light circuit on each door. So when my interior lights are on, the lights in the panels are on. I have then installed in the bins in the panels.
    '01 740i Sport MKIV, Quad Brake Lights, OEM Bi-Xenon retrofit, LED Angel Eyes, HID Fogs, LED Plate Lights, Dinan 7 certification, BM53 radio, OEM Sirius, Aux Input, TCU Bluetooth, Intravee II, iPod, Strong Strut, Dinan Struts, Springs, Camber Plates, Intake, MAF, CAI, Exhaust and Throttle Body

    '99 318ti Titanium Silver '97 318ti Boston Green; '96 318ti Alaska Blue (sold); '08 X5 4.8i Titanium Silver (sold); '13 X5 3.5i Black Sapphire Metallic (sold)
    '84 633csi Black (sold); '88 325iC Black (sold); '97 740iL Black(sold); '01 740iS Black(sold); '97 318ti Alpine White (sold)

  3. #3
    Join Date
    Aug 2015
    Location
    Stockton, Calif.
    Posts
    277
    My Cars
    1999 740Il,1999 Corvette
    The way I'm thinking is why turn on these add on lights in the daytime? So put a switch in line to the door puddle lights at the bottom of each door. That way you can turn them off/on at night.

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