1995 E34 530i - No brake lights - Page 2

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    #11
    Dr of BMW gildersol's Avatar
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    You probably shorted between the live and one of the browns if you blew a fuse.
    There are 2 sets of contacts. When you press the pedal, both contacts close.
    So, with ignition on, short between violet/yellow and blue/red. Also short between the 2 brown wires.
    See if the lights come on.
    The fuses for this circuit are no.1 (15A) and no.15 (7.5A).
     
     

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    E34V8 (29-07-2009)

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    #12
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    E34V8's Car Details
    Model of Car:
    530i
    Year of Manufacture:
    1995
    Transmission Type:
    Automatic
    Car Body Type:
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    Thanks Gildersol

    I shorted the pins as you descibed and the brake lights did not come on.
    Does this mean faulty wiring? Do you have any further suggestions.

    thanks again
     
     

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    Dr of BMW gildersol's Avatar
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    Assuming you have a multimeter/test lamp, plug in the wiring again to the switch and check for 12v at the brake lights plugs when pressing the brake pedal (between the brown wire and the black/green at one side and between the brown and the black/blue at the other side.
    If there is no power there then you can check for 12v at the light control module (blue/red wire pin 12) which I think is in the fuse box in the engine compartment.
    There is also a yellow 30 pin connector behind one of the footwell trims. I think it is the passenger side. You could check that the connections look ok there. The wires are black/green and black/blue and should have 12v on them when pressing the pedal.
    Hope it's not just blown bulbs after all that
     
     

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    #14
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    I am not too good with electrics. Do I connect the live wire on the multimeter to the black/green wire on the Plug and the negative to the brown?
    Also if it is just a case of blown bulbs would this effect my LED brake light?
    Thank you for all your help.
    Last edited by E34V8; 30-07-2009 at 18:28.
     
     

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    #15
    Dr of BMW gildersol's Avatar
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    Quote Originally Posted by E34V8 View Post
    Do I connect the live wire on the multimeter to the black/green wire on the Plug and the negative to the brown?.
    Yes, with the meter set to DC volts

    Quote Originally Posted by E34V8 View Post
    Also if it is just a case of blown bulbs would this effect my LED brake light?
    Thank you for all your help.
    I just assumed you had checked the bulbs
    Last edited by Ronnie; 01-08-2009 at 18:06.
     
     

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