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Thread: wiring up spot lamps

  1. #1
    Join Date
    Sep 2010
    Location
    S Wales
    Posts
    18

    wiring up spot lamps

    Hi everyone, Iv just bought my first smart, I have a 2009 450 I have pulled the front covers off where the spot lights go to add LED driving lights, there are yellow plugs there already, but i cant find any power there with an electric screwdriver bulb tester.
    cheers
    H,

  2. #2
    Join Date
    Mar 2012
    Location
    Burnley
    Posts
    1,242
    Think again.

    They stopped making the 450 in 2007. You probably have a 451.

  3. #3
    Join Date
    Nov 2007
    Location
    BANCHORY
    Posts
    3,129
    Spot lights are fitted on roof or somewhere high on the vehicle. Do you intend going hunting in the dark?
    Drives a Smart Cdi - 65 to 85 MPG

  4. #4
    Join Date
    Sep 2010
    Location
    S Wales
    Posts
    18
    Hi guys driving lights 451 it must be, do you know if the wiring should be ready to use or needs more to complete it .

  5. #5
    Join Date
    Apr 2009
    Location
    Ecosse
    Posts
    3,478
    Is the provision for driving lights or fog lights? Obviously, any attendant wiring will be specific. Maybe the switches in the cabin give a clue.
    Don't know if this can work for a 451 but with a (peanut) 450, the standard high beam bulb can be replaced with a 100W one (using a relay) and will improve the light output considerably.

  6. #6
    Join Date
    Sep 2010
    Location
    S Wales
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    18
    Ok thanks the light are ok just want to put some l e d driving lights on her . When i pulled the cover off it looked to easy with the yellow plugs there aready for lights .has the car got fibre optics or just normal wiring .

  7. #7
    Join Date
    Apr 2009
    Location
    Ecosse
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    3,478
    Driving lights have to be wired through main beam switch (and with their own switch also) - unlike fogs.
    Wiring will be CANbus.

  8. #8
    Join Date
    Nov 2007
    Location
    BANCHORY
    Posts
    3,129
    Fibre optics like some Christmas trees?
    Drives a Smart Cdi - 65 to 85 MPG

  9. #9
    Join Date
    Nov 2013
    Location
    Central Scotland
    Posts
    419
    Ok, lets help the guy....

    The wiring and yellow plugs for fog/driving lights exists down at the covers.

    To fit fog/driving lights down there using the above, will require a relay to be fitted (as this is not fitted due to being an extra), and also you will need a dash switch, and the CPU computer will need to know, so will require star programming at the dealer or any mechanic friend that can do this programming.

    Your other option (my method) is to use a new relay and new wiring and connect up the old fashioned way, by not using any existing wiring in the loom, and thus avoid having to get the car computer programmed at cost, just for some lighting.

    I wired up some DRL's (day light running lights) recently and avoided this modern 'plug and play' method, where people now think that a car needs a computer to do things. Have a look at my thread, though note that your relay wiring will be different to mine, as you are fitting driving /fog lights and mine was DRL's.
    http://www.smartz.co.uk/showthread.p...DRL-connection

    PS....If you want to do it this way by running your own wiring, I am happy to put a wiring diagram on here for you.

    Here it is in words.....For driving lights, they must be wired such that they can only switch on with the main beam (high beam) head light. A dash switch is required for on/off, and power would be taken from the battery with a suitable in-line fuse, controlled via a relay.

    For fog lights... they must be wired such that they can only switch on with the dipped beam head light. A dash switch is required for on/off, and power would be taken from the battery with a suitable in-line fuse, controlled via a relay.

    Another interesting thing about the blank covers, is that they are slightly angled, which I noticed when I fitted the DRL's, it did not affect this type of lighting much, but for fogs or driving lights, if they are fitted directly to the covers the beams will go out at weird angles. So you will need to fit the light to the car chassis in the holes provided, and you either cut a round hole in the existing covers, or buy off ebay some secondhand fog light covers with the holes already built in.
    Last edited by colin2x2; 07-11-2017 at 01:28 AM.

  10. #10
    Join Date
    Sep 2010
    Location
    S Wales
    Posts
    18
    Hi colin thanks for reply .I am doing same as you daytime running lights .so i leave the loom alone if its canbus, everything going more technical not like the days of escorts and sunbeams super oscar days .
    Last edited by vanguard; 07-11-2017 at 03:59 PM.

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