1997 E36 318is coupe: binnacle back lights not working - Page 2

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Thread: 1997 E36 318is coupe: binnacle back lights not working

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  1.  
    #11
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    interior cabin lights are different to the equipment lights.
    If the interior equipment lights fail from the fuse, it'll take out the driver's side sidelights too.

    Dodgy angel eye inverters do that.
    After that, the wire goes in to light the instruments through the dash dimmer, which is a variable resistor so you can adjust the brightness of the window switches, the dash backlight etc.

    That's why i was thinking of the dimmer failing.
     
     

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    #12
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    OP you say the dimmer does nothing, have you removed to check that its actually plugged in?
     
     

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    #13
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    Looking at the wiring diagram the instrument lights share an earth with the main beam warning light, front fog light and rear for light warning lamps.

    If these still work, barring a comon earthing issue, you have a good earth.


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    #14
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    Quote Originally Posted by shamM3 View Post
    Have you physically pulled out the bulbs and had a look?
    In all honesty, no i haven't. I assumed that it would be unlikely that all would break. The fact that there all off made me assume bad earth or no live...


    Quote Originally Posted by E36Coupe328 View Post

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    Thank's for the post fella, it's explained a lot

    Will get back to it at daylight and see what i can find...

    Thanks
    Dave
     
     

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    #15
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    Quote Originally Posted by Truxx View Post
    In all honesty, no i haven't. I assumed that it would be unlikely that all would break. The fact that there all off made me assume bad earth or no live...Dave
    Unless you have neglected them going out one by one you are right unless a surge or similar fried them, still pretty unlikely.

    If the clocklight is on the same circuit and out too check that bulb carefully as easiest to reach.


    Has anything changed on your car? Alarm, Ice etc. Any work at all no matter how unrelated it might appear on the face of it?


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    #16
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    Quote Originally Posted by TheEnd View Post
    ....
    Wasn't thinking of the dimmer switch in that way but i get it now... Should be easy enough to bypass that...



    Quote Originally Posted by shamM3 View Post
    ...
    Thought never even crossed my mind lol It's added to my checklist for tomorrow

    Quote Originally Posted by E36Coupe328 View Post
    ...
    Yup those all work so it's likely to be on the +ve side...

    Thanks for all the reply's it's been really helpful. I'll report back with my (if any ) findings tomorrow

    Dave
     
     

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    #17
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    Quote Originally Posted by E36Coupe328 View Post

    Has anything changed on your car? Alarm, Ice etc. Any work at all no matter how unrelated it might appear on the face of it?
    You sneaked that bit in there

    I really have no idea. I actually bought the car like this just yesterday and the seller never mentioned any of it or the back rose bushes (guessing) or the ball joint on the front.
    Mechanical issues i can fix, electrical issues baffle me

    I changed the radio this morning ? But it was just a case of plugging 2 conversion wiring plugs in so can't really go wrong. hmm I wonder. I think i'll unplug the radio aswell and see if that makes a change...
     
     

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    #18
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    The radio could do it, it'll also have a wire that dims the display when the interior night lights are on so you aren't blinded by all the flashing lights.
     
     

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    #19
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    I used an adapter to convert the original square plug into two smaller. When i plugged this adapter in it was pushing a few of the pins/wires out of the adapter block.

    AHh the sub and amp weren't wired in (all wires there just not attached to amp) which the seller told me was because it was too loud for him. So i wired it in to test it and as i turned on the radio smoke started coming out of the amp ! lol So i unplugged it again and left it at that...

    Any chance this could all be related ? (sorry i didn't add this info earlier, i didn't think it could be related)


    Dave
     
     

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    #20
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    Find out what circuits that stuff runs to.

    However, unless you see big feed wires going to a battery or terminal I would assume you need to check ALL fuses. Preferable not just a visual check but check for continuity too.

    It'll only take 10 mins to do it properly.

    Your worst case here is a burnt out wire somewhere awkward (well actually it could be flambed car )


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