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Basic wiring

Discussion in 'Defender 90 / 110 / 130' started by tom1979, Oct 20, 2013.

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  1. tom1979

    tom1979 Well-Known Member

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    I have never needed to do any wiring before as I have always been lucky enough to reuse existing stuff however I need to wire up a 12v beacon to a two prong toggle switch. Can anyone advise how it show be wired up? The led light has a positive and negative wire.

    I m sure it must be extremely simple as I could not find the answer on Google or on here !
     
  2. cfnteabag

    cfnteabag Active Member

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    The way I have wired them up in the past is

    Battery--fuse--switch--positive side of beacon--negative side of beacon--any handy metal bit of land rover

    Hope that makes sense and helps
     
  3. MR BFG

    MR BFG Active Member

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    I would probably do it the same way too, all of my own wiring I have done is more or less like this other than my spots which are through a relay.

    If you are planning to add many more things it may be an idea to get an auxillary fuse box that's powered.
     
  4. Jongould

    Jongould New Member

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    Just make sure the wires are thick enough for the current draw (beacons use a lot of power due to the electric motors unless it's a modern led flashing one and not a rotating bulb one) and grommet when going through panels so as not to chafe wiring. Fuse as close as possible to the battery and make sure there's plenty of play in the cable, do t run the wires taught...
     
  5. tom1979

    tom1979 Well-Known Member

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    Yes, thank you. So the negative(off) of the switch goes back to the negative battery terminal or other earth, the negative lead of the light is earthed and there will be two wires connected to the "On" of the switch?
     
  6. Jongould

    Jongould New Member

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    The switch goes inline, don't earth the negative as you are just creating a short circuit.

    Wire from positive goes to a fuse, from there to +ve on switch, -neg of switch goes to +ve on light, -neg goes to earth on body.

    Think of it like a hose, water has to flow continually around the circuit
     
  7. SteNova

    SteNova Well-Known Member

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    to make it easier i'd be switching the negative ;)

    battery-fuse-lamp-switch-body
     
  8. tom1979

    tom1979 Well-Known Member

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    Thank you all is clear now!
     
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