1998 e36 318i - convert relay switch

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  1. 1998 e36 318i - convert relay switch 
    #1
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    bibby's Car Details
    Model of Car:
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    Year of Manufacture:
    1998
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    ive fitted angel eyes and fitted them so they work with my interior lights a couple of months ago but got fed up of how dull they were just running from the interior lights, so i decided to fit a relay with a 12v going straight to it, wired up correctly with a fuse before the relay on the 12v wire (used both 5a and 10a) but they are not lighting up bright, two of them are and two are not, but they relay is buzzing when activated, i no they do buzz but this is more like vibrating. thanks
     
     

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    mark@vorny.co.uk's Car Details
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    Can anybody assist the OP ?
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    joylove's Car Details
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    Sounds like you have a wiring fault. Check it and post a circuit diagram also.
     
     

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    #4
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    sam1832's Car Details
    Model of Car:
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    2004
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    when you say two of them are, i take it you mean one pair,

    as in left pair are bright right is not, or visa versa?

    are these LED's or CCFL's?

    take a multi meter, and check for DC volts at a few places:
    • where you have taken your 12v feed from to ground - whats the voltage?
    • Where your 12v goes into your relay - should be the same as above
    • where your 12v comes out of the relay (obviously with interior lights on) - should be the same as above
    • Where your 12v splits to go to either head light
    • where you connect to your inverter left head light - whats the voltage?
    • where you connect to your inverter right head light - should be as above, but im guessing its not

    To remove the relay from your fault finding, take the 12v in on the relay and the 12v out on the relay and link them together,

    Now the relay is removed, and your lights will be on permantly - are they both as bright? or the same as they were?

    if that fixes them, new relay

    if it dosent, its not the relay

    Next if you unplug one pair of the angel eyes what happens to the other?
    So firstly unplug the brighter pair, does the others get brighter?
    Next unplug the dull pair, what happens to the others?

    it would be intresting to see what current you are pulling at each pair, do you have a clip on ampmeter?
     
     

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