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Ok I give up... So which wire is it?
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Parallax33
 


Member Since: 03 Jun 2014
Location: Christchurch
Posts: 1125

United Kingdom 2014 Discovery 4 3.0 SDV6 XXV LE Auto Causeway GreyDiscovery 4
Ok I give up... So which wire is it?

Can anyone tell me which wires I should piggy back to get full time fairy lights on my D4 Xenon units?

Bow down
 Justin

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Post #133057727th Aug 2014 8:47 pm
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discoteca
 


Member Since: 08 Mar 2010
Location: Warwickshire
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United Kingdom 2016 Discovery 4 3.0 SDV6 SE Tech Auto Corris GreyDiscovery 4

Are you sure that it is that straightforward? I don't recall anyone else having done it. Is there actually a permanent ignition switched live in the headlamp multiplug, I didn't think there was. The connector is C0009 (for the lh headlamp) and I don't see an ignition switched live on the wiring diagram so you would need to pull it from somewhere else. The sidelight switched supply to the fairy lights looks like pin 2 of the multi plug.

Edit - looks like there is an ignition switched live in the multi plug used for AFS headlamps pin 5 or 14, whether those pins have wires in them or not when AFS wasn't specified is another matter.
 

Last edited by discoteca on 27th Aug 2014 10:20 pm. Edited 1 time in total 
Post #133061427th Aug 2014 10:02 pm
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Narpy
 


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2005 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

If it's just the power supply you need, there's a redundant connector behind the grill that is used for a polution sensor in some markets and many people have wired DRL's etc. to this. It's live once the car is awake I think and doesn't power down till it's asleep so it's always an option. Wink
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Post #133062027th Aug 2014 10:12 pm
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Parallax33
 


Member Since: 03 Jun 2014
Location: Christchurch
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United Kingdom 2014 Discovery 4 3.0 SDV6 XXV LE Auto Causeway GreyDiscovery 4

Yes I was looking for a feed that is used to power DRLs, and bridge this into the fairy lights power...

Hope I haven't opened a

 Justin

Discovery 4 MY14 XXV Causeway Grey
RRS MY12 Autobiography
Discovery 4 MY12 GS
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Post #133062327th Aug 2014 10:16 pm
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discoteca
 


Member Since: 08 Mar 2010
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United Kingdom 2016 Discovery 4 3.0 SDV6 SE Tech Auto Corris GreyDiscovery 4

Depends whether you want to try and pick it up from the multi plug on the back of the headlight or run wires round from behind the grill as narpy suggests.
  
Post #133062627th Aug 2014 10:22 pm
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Parallax33
 


Member Since: 03 Jun 2014
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United Kingdom 2014 Discovery 4 3.0 SDV6 XXV LE Auto Causeway GreyDiscovery 4

I would rather have the neatest possible solution tbh...
 Justin

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Post #133063427th Aug 2014 10:45 pm
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Bill Wright
 


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England 2015 Discovery 4 3.0 SDV6 SE Tech Auto Kaikoura StoneDiscovery 4

When I wired in my Phillips DRL's (MY2012), I found two wires in the headlamp cluster multi-plug that were live with the ignition on. The red and black one I used to wire the DRL's in as it went dead when the side lights were switched on. The other wire left the DRL's on when the side lights came on and came on when the ignition was activated. Nor very helpful I guess but it eliminates one wire for you. Just find the other live with ignition on. (orange?)

Bill Wright Thumbs Up
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Post #133066728th Aug 2014 7:46 am
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maplecottage
 


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United Kingdom 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Don't forget to wire them via a relay (unless it's part of the kit of course) so that the DRL's are only on when the other lights are off.

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Post #133067028th Aug 2014 7:50 am
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Parallax33
 


Member Since: 03 Jun 2014
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United Kingdom 2014 Discovery 4 3.0 SDV6 XXV LE Auto Causeway GreyDiscovery 4

Thanks Bill I will need to investigate.

Maplecottage, I will have the side lights on as normal when lights are on, but this has made me think about the effect of 2 feeds active at once

Thanks!

Justin
 Justin

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Post #133080728th Aug 2014 12:38 pm
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maplecottage
 


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United Kingdom 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Happy to be corrected by others with more knowledge in this area but I thought it was an offence to have DRL's running with sidelights / headlights hence the need for the 'DRL relay' Question Question

Example:


DAYTIME RUNNING LIGHTS UK LAW

Retrofitting

The requirement to fit daytime running lights applies to new cars only. There is no requirement to retrofit daytime running lights but kits are available if you wish to do so. Lights approved to the appropriate EU legislation will have an approval mark on the lamp which includes the letters 'RL'.

Retrofitted daytime running lights should be installed so that they come on with the engine and go off when other lights are turned on.

Manually operated daytime running lights must be turned off at night to avoid dazzling other road users
  
Post #133082728th Aug 2014 1:07 pm
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Parallax33
 


Member Since: 03 Jun 2014
Location: Christchurch
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United Kingdom 2014 Discovery 4 3.0 SDV6 XXV LE Auto Causeway GreyDiscovery 4

Lol, ok a bit of definition here;

My fairy lights are my side lights
I want to be able to have fairy lights (side lights) on all the time the engine is running
I want to find a power feed that may power the DRLs to also provide a source to the fairy lights, so when DRLs would be on, the side lights (fairy lights) come on too.
I want the side lights to operate as normal, which means they will be on when my headlights are on

So what Bill has discovered is that the power to DRL could also be used (in theory) to power my fairy lights (side lights)...

Does that make a bit more sense?
 Justin

Discovery 4 MY14 XXV Causeway Grey
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Post #133083528th Aug 2014 1:20 pm
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Lost for Words
 


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United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Parallax33 wrote:
Thanks Bill I will need to investigate.

Maplecottage, I will have the side lights on as normal when lights are on, but this has made me think about the effect of 2 feeds active at once

Thanks!

Justin


2 feeds in parallel will make no difference but you would need to separate them to stop both feeds controlling both sets of lights - you need a double throw (changeover) relay (5 pin) to do this or you could use diodes to prevent the current flowing backwards.

Are you looking for this?

Headlights off, sidelights on, DRLs on.
Headlights on, sidelights on, DRLs off.

You could just wire up the sidelights to an ignition-on source. Then switch the feed to the DRLs with a normally open relay controlled by the headlight feed.
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Post #133085628th Aug 2014 2:05 pm
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Parallax33
 


Member Since: 03 Jun 2014
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United Kingdom 2014 Discovery 4 3.0 SDV6 XXV LE Auto Causeway GreyDiscovery 4

Ok thanks.

I don't think I need a relay because the end result I am looking for is;
Headlights off, sidelights on, powered by DRL feed
Headlights on, sidelights on, powered by existing sidelight feed
 Justin

Discovery 4 MY14 XXV Causeway Grey
RRS MY12 Autobiography
Discovery 4 MY12 GS
Nanocom, Cruise Control, Cubby Fridge, TomTom SatNav, Xenons, BlackVue 
 
Post #133086728th Aug 2014 2:23 pm
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Lost for Words
 


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If you hook up your DRLs and sidelights without a relay/diodes, your DRLs and sidelights will act as one, therefore, both on always.
 Current: Discovery 3 06MY (55 reg) HSE Auto Zambezi Silver Zambezi Silver Allisport Fast Road Intercooler, V8 Brakes, Silicone IC Hoses, EGRs Blanked, Remapped, De-Cat pipe, FBHIC
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Post #133087728th Aug 2014 2:41 pm
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discoteca
 


Member Since: 08 Mar 2010
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United Kingdom 2016 Discovery 4 3.0 SDV6 SE Tech Auto Corris GreyDiscovery 4

But the point is the fairy lights are not DRLs anyway they are sidelights that Parallax33 wants on all the time (to look like DRLs) - therefore they are not bright enough to worry about them being on in the dark or on when the headlights are on because they are actually only the sidelights which would be on if the headlights were on regardless.

The legislation regarding DRLs doesn't apply - Parallax33 just wants his sidelights on all the time (which happen to be LEDs that look a bit like dim versions of DRLs).

As I said in an earlier post I think I have identified which pins in the multiplug Bill Wright is referring to.
  
Post #133089528th Aug 2014 3:23 pm
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