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High intensity brake light.. Gone dim!
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Derroo
 


Member Since: 19 Oct 2010
Location: Hampshire
Posts: 10

England 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4
High intensity brake light.. Gone dim!

Thoughts requested one and all...

Disco 4 HSE (59 plate) had MOT other day and they said middle brake light not working... Just an advisory

Just been out having a look... In the dark you can see it is working but very dimly... Anyone had this happen to them?

Perhaps a plug in wiring loose?

Help very welcome Very Happy
  
Post #121977518th Jan 2014 6:15 pm
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Robbie
 


Member Since: 05 Feb 2006
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Poor earth I would guess.
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Post #121978818th Jan 2014 6:23 pm
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Derroo
 


Member Since: 19 Oct 2010
Location: Hampshire
Posts: 10

England 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

Thanks Robbie... Any suggestion where I can / how I can check that?
  
Post #121979118th Jan 2014 6:27 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
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Ukraine 

Bulb coated itself from the inside? Sounds daft but happened to SWMBO's car once. No idea why but the bulb ended up with a metallic coating on the inside.
   
Post #121979218th Jan 2014 6:28 pm
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crwoody
 


Member Since: 09 Mar 2009
Location: Littleborough
Posts: 2109

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

".. bulb ended up with a metallic coating on the inside ..", they do that, the filament evaporates over time and has nowhere else to go. however the hi level light is made up with LED's so I would guess dodgy earth as suggested, or a defective lamp unit.
 Clive

 
 
Post #121981118th Jan 2014 6:45 pm
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DSL
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Member Since: 11 May 2006
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Ukraine 

Thumbs Up Thumbs Up Learned something new today. Thumbs Up Thumbs Up
   
Post #121981418th Jan 2014 6:48 pm
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Derroo
 


Member Since: 19 Oct 2010
Location: Hampshire
Posts: 10

England 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

Used to work fine Clive and as you say led so unless it's suddenly decided to give up the ghost (hope not having read what a pig it is to replace!) I'm hoping it's the earth... How do I test that?
  
Post #121982518th Jan 2014 7:08 pm
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crwoody
 


Member Since: 09 Mar 2009
Location: Littleborough
Posts: 2109

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

I've not come across this problem myself but the wiring diagram shows a wire from the lamp going direct to it's own separate earth point via one plug & socket connector, I would assume the wire goes through the rubber tube at the top of the tailgate and to earth somewhere close by, might just need to remove the plastic trim across the top rear inside.

Click image to enlarge
 Clive

 
 
Post #121983618th Jan 2014 7:35 pm
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Derroo
 


Member Since: 19 Oct 2010
Location: Hampshire
Posts: 10

England 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

Fab thanks mate... That's my Sunday morning sorted... Will report back Smile
  
Post #121983818th Jan 2014 7:38 pm
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Russell
 


Member Since: 23 Aug 2007
Location: Kent
Posts: 10564

United Kingdom 

Earth wire damaged within the rubber gattor by hindges.
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Post #121984218th Jan 2014 7:47 pm
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caverD3
 


Member Since: 02 Jul 2006
Location: Oberon, NSW
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Australia 2012 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

High level light is LEDS.
So low supply, earth, connectors.
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Post #121992618th Jan 2014 9:54 pm
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