jono22
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Registered: 13th Apr 02
Location: Fife in scotland
User status: Offline
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Guys want to run a couple off these small blue light smd strips tucked up underneath the dash shining down on the footwell area off the car, the come supplied with just a red/black power wire, want to have them permantly wired on so they come on in the dark ie. when the cars lights are on as opposed to say just when the dorrs are open etc.
any advice on what I need / need to do to enable this ??
http://www.ebay.co.uk/itm/251006383266?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
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Matty W
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Registered: 31st Jan 11
Location: Ashton-in-Makerfield, Greater Manchester
User status: Offline
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Could build a small 4 pin relay circuit. Take power for the switch side of the relay from the earth terminal of your sidelight switch and earth the other side to the car somewhere. Then make a fused feed running to the switched side from a 12v live and attach your live to the light to the other switched pin. Then just ground the black wire
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jono22
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Registered: 13th Apr 02
Location: Fife in scotland
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Okay great thanks for that - sounds easy enough ?? any idea if such a 4 pin relay circuit board is readily avialble ie. via ebay etc ??
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Matty W
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Registered: 31st Jan 11
Location: Ashton-in-Makerfield, Greater Manchester
User status: Offline
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you can buy 4 pin relays from halfords.
ive done a quick circuit diagram. make sure you take the earth from the luminocity circuit ( the bit that lights up the switch ) and not the actual sidelight circuit. the luminocity circuit will have a lower voltage
sorry its a bit crude
(dont forget to put a fuse in the 12V feed for whatever amp rating your lights are)
[Edited on 21-03-2012 by Matty W]
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jono22
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Registered: 13th Apr 02
Location: Fife in scotland
User status: Offline
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Thats excellent ,really do appreciatte that mate thanks.
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Phoenix Autosport
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Registered: 9th Oct 11
Location: Cambs / Northants
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they have a very low power consumption and will draw an absolutely pitiful amount of current so you could just connect black to a suitable ground and red to ilumination wire going to your stereo for running 2 of them you will have plenty of spare capacity in that wiring, the way above is the prefered method when connecting incandescent bulbs but in this case the relay coil will consume more power than the led lights so its a bit self defeating so just wire them straight in
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jono22
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Registered: 13th Apr 02
Location: Fife in scotland
User status: Offline
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Okay cheers see what you are saying but again would prefer just to have them working at night so would obviously have to have them running off something that only powers up when the headlights or whatver are switched on.
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jrneedo
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Registered: 10th Oct 07
Location: Sheffield
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Why not wire them into the headlight switch?
I was going to do this but wiring them into the door light so when the doors opened they came on but it was too much ofa ball ache.
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VrsTurbo
Premium Member
Registered: 8th Jun 10
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why do you need to have lights on your feet while your driving?!?
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jrneedo
Member
Registered: 10th Oct 07
Location: Sheffield
User status: Offline
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He's got some new fancy shoes he wants to shoe off even when driving maybe?
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Phoenix Autosport
Member
Registered: 9th Oct 11
Location: Cambs / Northants
User status: Offline
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quote:
Originally posted by jrneedo
Why not wire them into the headlight switch?
I was going to do this but wiring them into the door light so when the doors opened they came on but it was too much ofa ball ache.
thats why i said to use the stereo illumination wire as it connects to the switch but its dead easy to get at, worst case all you got to do is slide the stereo forwards or if you are lucky you may be able to hook the wire with a bent coat hanger from in the passenger foot well between the dash and heater assembly 
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andy_mk3
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Registered: 18th Dec 11
Location: Peterborough
User status: Offline
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quote:
Originally posted by VrsTurbo
why do you need to have lights on your feet while your driving?!?
My thoughts exactly! I plan to wire some in to my astra, I have a few boot and glovebox lights I want to fit in the footwells, I don't want it stupidly bright, just nice to have them lit when you open the door 
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Edges 58
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Registered: 30th Mar 10
Location: Nottingham
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I have these lights in my car, coming out soon as I've grown bored with them. But, they are stoopidly easy to do. I used scotch locks to connect the power and earth wires to the power and earth wires of the interior light. Nothing else needed because they draw so little amps
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Edges 58
Member
Registered: 30th Mar 10
Location: Nottingham
User status: Offline
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Plus being on the interior light, take the interior light bulb out. The the blue lights come one when a door opens plus you can turn them on or off with the interior light switch to have them on whenever you want
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