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Thread: rear interior light

  1. #1
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    Default rear interior light

    went to put some led bulbs in my rear interior light and had the ribbon in my hand wilst doing it and got well very hot! turned off straight away...put normal bulbs back in and was fine,why do you think that was?

    also have these bulbs in my number plate

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    bump

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    Regular Member nick-v2.2's Avatar
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    do they have contacts on both sides? 2 each side. You need to cover up one on each side diagonally so one contact per side similar to your 501 bulbs. Did this and now mine works fine. Also remember they only work one way. HTH

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    Regular Member BigWilko's Avatar
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    Vehicle : Signum

    Trim : Design

    Engine : 3.0 CDTI

    Year : 2005

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    VIP-Member Z80's Avatar
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    Vehicle : Opel Vectra GTS

    Trim : Elegance

    Engine : 2.2 DTi 16V

    Year : 2003

    Mileage : 75 000

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    Quote Originally Posted by BigWilko View Post
    Here is what he said :



    In the rear ceiling light, the socket are unusual.

    Instead of having the +12 V one side and the ground the other side, each of them pinching both top and bottom surface the same side, it's made of two folded metal strips, each of them covering each side whole surface of the bulb.

    As a consequence, using a SMD LED bulb as shown of the picture without insulating one of the tracks on each side will result in shorting the car's whole electric circuit.

    The result is rather frightening, as it makes the whole lighting blink (including the dials, board computer, etc.) as the BCM detects the short-circuit and tries to protect the battery.

    The only way to use these bulbs is to insulate them with electrical tape as I did on the picture. Put it always the same side when flipping the bulb : the picture actually shows each bulb on a different side (as you can see from the different SMC resistor). The actual side you choose to mask is unimportant (you'll just have to flip the bulb in the socket if it doesn't light up), provided you always mask the same side when flipping the bulb.

    This is for the rear ceiling light only. You don't have to do it for the others, as they all have standard bulb holders. Alternately, you can use classical plastic bulb shaped LED bulbs (the OBD anti-error resistor is useless as the OBD doesn't check them). They feature a unique metallic wire on each side, so you can't short-circuit the specific rear ceiling light sockets with these.



    Also note these ones are short enough to allow the metal reflector to be put back. The SMD ones are too large and too long, plus the light is aimed in the wrong direction.

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    i got these...

    $(KGrHqZ,!i!E7DhvviSuBOw94)eDDQ~~60_1.JPG....

    i got these in my number plate too shall i cover them up the same? they work ok but do strobe?

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    right ive done it,and it works great,how ever when off there on ever so slightly?

  8. #8
    Full Member Leemarksmith's Avatar
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    Vehicle : Vectra

    Trim : SRi (VXR Styling)

    Engine : Z19DTH (Re-mapped)

    Year : 04

    Mileage : 110k

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    That's usual with LEDs on the interior... As for plate you don't need to mod them, its only the rear interior light that has the polarity issues...

    Just read the SMD type above being too small above, you can bend the metal reflector out slightly to fit brighter bulbs, got 20smd ones in my interior and its like daylight!
    Last edited by Leemarksmith; 17th February 2013 at 22:15.

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    my front ones go off and are 5w leds,will batt be ok?

  10. #10
    Full Member Leemarksmith's Avatar
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    Vehicle : Vectra

    Trim : SRi (VXR Styling)

    Engine : Z19DTH (Re-mapped)

    Year : 04

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    Yes fine, mine stay lit dimly till engine is off and sleep mode kicks in...

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