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Trailer lights
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Sion_Rover1
 


Member Since: 14 Aug 2024
Location: Wrexham
Posts: 1

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Auto Indus SilverDiscovery 3
Trailer lights

Hi.
I’ve plugged in my Ifor Williams trailer and none of the lights are working. They’re LED but have been working for the past couple months. I’ve checked the fuses and there all okay aswell. My question is does anyone know what’s wrong with it and how to sort it?
Thanks in advance  
Post #237516714th Aug 2024 8:28 pm
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eightfoot
 


Member Since: 12 Apr 2015
Location: sunny essex
Posts: 806

United Kingdom 2005 Discovery 3 TDV6 S Auto Bonatti GreyDiscovery 3

do a search here as i think led's dont work on a d3 also try plugging a trailer board/trailer in that you know has filament bulbs in it please excuse any grammer/punctuation mistakes,i'm thick,thankyou
current vehicles 2005 d3 2013 d4  
Post #237521315th Aug 2024 2:42 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 5044

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

LED's will work but there will be a can bus "blink" unless resistors are fitted. Likely failure is the plug from the trailer and usually the earth. yµ (idµ - eAµ) ψ=mψ

  
Post #237521615th Aug 2024 3:41 pm
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loanrangie
 


Member Since: 18 Jun 2017
Location: Melbourne
Posts: 700

Australia 2008 Discovery 3 TDV6 SE Auto Stornoway GreyDiscovery 3

Yep LED's can cause various issues from pulsing to just not functioning at all, you need resistors for the indicator circuits and relays to stop the pulsing.  
Post #237525016th Aug 2024 1:06 am
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Globetrotter448
 


Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1818

Australia 2007 Discovery 3 4.0 V6 Petrol SE Auto Java BlackDiscovery 3

I would disconnect the trailer and check the voltage at the vehicle plug. Next I would take a 12v battery and check the trailer connections. That should give you a starting point.  
Post #237568622nd Aug 2024 9:00 am
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stuarth44
 


Member Since: 20 Jul 2019
Location: buderim
Posts: 11

Australia 
Re: Trailer lights

Sion_Rover1 wrote:
Hi.
I’ve plugged in my Ifor Williams trailer and none of the lights are working. They’re LED but have been working for the past couple months. I’ve checked the fuses and there all okay aswell. My question is does anyone know what’s wrong with it and how to sort it?
Thanks in advance

check fuse link 27 10 amp, check voltage across earth and stop, tail blinkers often it is one of the supply lines touching the ground  
Post #237575323rd Aug 2024 9:36 am
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Globetrotter448
 


Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1818

Australia 2007 Discovery 3 4.0 V6 Petrol SE Auto Java BlackDiscovery 3

Do you know that there is a fuse panel in the lefthand side at the rear?  
Post #237575523rd Aug 2024 10:13 am
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nigethecat
 


Member Since: 11 Sep 2016
Location: Marnoch
Posts: 4244

Ukraine 2016 Discovery 4 3.0 SDV6 Commercial XS Auto Corris GreyDiscovery 4

You can get corrosion/water inside the female socket on the car, check this as well and spray with water repellant spray (WD40 or similar). I want to see the sweets before I get into your windowless van... I'm not stupid!

Corris Grey D4 Commercial SE 2016
Zermatt Sliver 2007 D3 SE manual (gone)
Indus Silver D4 HSE 2015 (gone)
Bonatti Grey D3 HSE 2006 (gone)
White D3 S (LHD) 2007 (gone)
Firenze Red D4 HSE 2014 (gone)
Black RRS 3.6TDV8 2008 (gone)
Rusty Green Defender 110 1997 (gone)
Black FL2 HSE 2013 (gone)  
Post #237575623rd Aug 2024 10:15 am
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