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LED Trailer lights issue. UPDATE 18 Oct
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Nasher
 


Member Since: 07 Mar 2009
Location: Clanfield, North of Pompey - UK
Posts: 2668

England 2016 Discovery 4 3.0 TDV6 HSE Lux Auto Loire BlueDiscovery 4

Jaws

I'm very close to you - in Clanfield - but unfortunately not at home until the weekend.

Feel free to arrange to pop up and look at my set-up.
It's all still sat in the garage as I've not fixed it to the boat trailer yet so you could try it on your D3.

Nasher.
 Heaven doesn't want me, and hell is afraid I'll take over.  
Post #121782815th Jan 2014 12:34 pm
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jaws_172
 


Member Since: 05 Aug 2013
Location: Fareham
Posts: 135

United Kingdom 2005 Discovery 3 TDV6 S Auto Bali BlueDiscovery 3

That would be awesome Nasher, dropped you a pm Smile
  
Post #121818615th Jan 2014 8:53 pm
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Ent
 


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Post #126864012th Apr 2014 8:07 am
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RLD
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Post #126881512th Apr 2014 5:13 pm
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romadog2004
 


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And me
  
Post #126894412th Apr 2014 8:29 pm
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beanie
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Location: In the garage messing with something
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Could be yes Thumbs Up
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Post #126895012th Apr 2014 8:39 pm
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jaws_172
 


Member Since: 05 Aug 2013
Location: Fareham
Posts: 135

United Kingdom 2005 Discovery 3 TDV6 S Auto Bali BlueDiscovery 3

Those of you that have a soldering iron, if you check out my forum gallery you'll find the method I used to make such the device being offered above. Will take you an afternoon to make once you have all the parts.
  
Post #126897012th Apr 2014 9:16 pm
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HughMartin
 


Member Since: 30 Mar 2008
Location: Aberdeenshire
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Scotland 2012 Discovery 4 3.0 SDV6 XS Auto Aintree GreenDiscovery 4

Looks a good job Jaws. It's a bit difficult to see the exact wiring layout from your photos. Any chance of you producing a wiring diagram and details of the relay and diode specs?

Cheers
  
Post #127175718th Apr 2014 2:14 pm
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jaws_172
 


Member Since: 05 Aug 2013
Location: Fareham
Posts: 135

United Kingdom 2005 Discovery 3 TDV6 S Auto Bali BlueDiscovery 3

I will knock something up, try for this weekend or during the week Smile
  
Post #127178518th Apr 2014 4:19 pm
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jaws_172
 


Member Since: 05 Aug 2013
Location: Fareham
Posts: 135

United Kingdom 2005 Discovery 3 TDV6 S Auto Bali BlueDiscovery 3

All done, made it as simple to understand as possible. Should be readable Rolling with laughter Any questions just let me know. Thumbs Up


Click image to enlarge
  
Post #127183518th Apr 2014 6:40 pm
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Tufty
 


Member Since: 13 Jul 2010
Location: UK
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Jaws172, you've forgot to show the connection from the positive side of the relay coil to the com's of the relay...
  
Post #127184318th Apr 2014 7:05 pm
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jaws_172
 


Member Since: 05 Aug 2013
Location: Fareham
Posts: 135

United Kingdom 2005 Discovery 3 TDV6 S Auto Bali BlueDiscovery 3

No no I hadn't forgotten... Erm it was a test Whistle

Score the pcb board after the coil and again before the NO connection (the last set) should do the trick. *scratches grey cells*

Wouldn't advise coping my pcb board as I was given the wrong com's diagram to begin with. I also ran my positive back down the pcb board to make my wiring easier to run in the box. You could just bridge them and have them run out the other side as in the diagram, personal choice and setup.
  
Post #127185318th Apr 2014 7:27 pm
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Disco daz
 


Member Since: 05 Sep 2013
Location: Yorkshire
Posts: 17


Just digging around for information on this problem.

Why couldn't just wiring a 21w (or higher) bulb be wired inline with the LEDs? the trailer would read the required resistance therefore putting it into trailer mode.

I've tested it with a 10w bulb and it didn't work but now I've read it requires a high watt bulb.
  
Post #134934028th Sep 2014 7:46 pm
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jaws_172
 


Member Since: 05 Aug 2013
Location: Fareham
Posts: 135

United Kingdom 2005 Discovery 3 TDV6 S Auto Bali BlueDiscovery 3

The light will solve the car end but not the trailer end of the circuit. The LED lights will still pick up the cambus signals. You need the resistance and the switch.
  
Post #134934328th Sep 2014 7:51 pm
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Disco daz
 


Member Since: 05 Sep 2013
Location: Yorkshire
Posts: 17


So I'm half right that the bulb will put the car into trailer mode.

But the indicators will still pulse?

I'd rather not use the resistors because of the heat generated and where they will be located.

I can get to the wiring at the back of the LEDs. I have two wires, blue and white. I'm assuming I'd use a 4 connection relay, fit the blue and white wires to the connections that join, the bridge off the wire that becomes live to operate the relay?
  
Post #134936428th Sep 2014 8:17 pm
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