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Thread: Electrical / Wiring help

  1. #1
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    Default Electrical / Wiring help

    I'm definitely not an electrician - so i'm hoping someone can help me out. I'm trying to switch an old lighting fixture in the master ensuite with a new lighting fixture and while new fixture works - when ever the fixture is turned on, the bathroom fan turns on. When the old fixture was in place, the light and the fan were on independent switches and I would continue to want the fan and light to operate independently. Attached is a wiring diagram on what i'm dealing with and some of the combo's i've tried:

    NOTE:
    R1 = Red wire 1 (Hot wire)
    B1 / B2 = Black wires 1 and 2 (Hot wire)
    W1 / W2 = White wires 1 and 2 (return wires)
    G1 = Ground wire

    COMBO 1:
    Wall (R1 + B1 + B2) to Fixture (B1)
    Wall (W1 + W2) to Fixture (W1)
    Wall (G1) to Fixture (G1)

    Both switches turn on the fan and light

    COMBO 2:
    Wall (B1+B2) to Fixture (B1)
    Wall (W1 + W2) to Fixture (W1)
    Wall (G1) to Fixture (G1)

    1 switch turns on fan and light. The other doesn't do anything.
    Attached Images Attached Images

  2. #2
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    put the red to the fixture, leave the blacks connected ONLY to them selves NOT the fixture. connect the 2 whites to the fixture as well as the ground.
    C.J.

    1997 TSi AWD 2.3L 6 bolt (Carillo Rods, Wiseco pistons, Cometic headgasket, ACL bearings, removed BS, FP3's, Crower springs/retainers, ARP hardware), FIC 950's, Aeromotive AFPR with SS lines, Walbro 255HP, PTE SCM61, Tial wastegate, Greddy Type S BOV, short route FMIC, 3" turbo back, AEM EMS, 3 bar map conversion, BJs SMIM, 75mm TB, Innovate LC-1 Wideband, 18" Focals, Bridgestone Potenza RE040's, Tokiko suspension.

  3. #3
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    I'm pretty sure you don't want to connect all three together...the problem is in the COMBO 2 the red wire is not connected...

    Should take pics of each fixtures wires as well as each switch so we can see the wiring...
    Last edited by Z_Fan; 07-02-2009 at 04:59 PM.

  4. #4
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    so you must have disconnected all wiring... and then forgot how the original fixture was connected... because it used to work before.

    blackshadows post should be the solution....

  5. #5
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    Originally posted by black_shadow_18
    put the red to the fixture, leave the blacks connected ONLY to them selves NOT the fixture. connect the 2 whites to the fixture as well as the ground.


    It worked! Thanks black_shadow.
    Last edited by black_2.5RS; 07-02-2009 at 06:31 PM.

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