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Testing LED bulbs
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hgrimmett
 


Member Since: 11 Oct 2009
Location: Bledlow
Posts: 901

2015 Discovery 4 3.0 SDV6 SE Tech Auto Indus SilverDiscovery 4

Errrrr, yeah, good point I suppose. Oh crap that means I've got to go on a much bigger hunt...
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Post #175379525th Dec 2016 10:24 pm
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Roidster
 


Member Since: 04 Nov 2016
Location: London/Herts
Posts: 137

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

As you probably found out when installing, the LED bulbs generally have a polarity so the code was probably just stored when you put one of them (more likely lots of them) in the wrong way round for a few seconds. And like others have said, if the switch to the bulb is off, then it shouldn't be able to draw any current.
  
Post #175394226th Dec 2016 2:11 pm
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BLFarrar
 


Member Since: 02 Aug 2006
Location: Deepest, Dankest, Darkest, Dingiest......Le Halifax, West Yorkshire...with strong links to Ireland
Posts: 6222

France 2006 Discovery 3 TDV6 HSE Auto Lugano TealDiscovery 3
Agreed

bimblephish wrote:
I don't see how a lamp could leak whilst it is not illuminated. If the interior lights are not on then there will be no voltage on the terminals the lamp connects to, therefore no current will flow, if there were a voltage across the terminals then the lamp would be on...


But I have had strange things happen on my XK with LED lamps glowing when car parked, locked with lights off...
These were Phillips lights with plastic bodies....not low cost but very very bright.
These work OK in the Disco.
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Post #175395426th Dec 2016 2:52 pm
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hgrimmett
 


Member Since: 11 Oct 2009
Location: Bledlow
Posts: 901

2015 Discovery 4 3.0 SDV6 SE Tech Auto Indus SilverDiscovery 4

Thanks guys, in the end it was just a knackered battery but as it was inside warranty, ECP supplied me with a brand new one. LEDs have been reinstalled! 8)
 -------------------------------------------------------------------
D4 '15 (64) Se Tech Indus Silver
Tesla Model Y LR (22)
Audi TT Roadster 225 (52)
Tesla Model 3 LR (70) (gone)
Porsche Boxster '96 2.5 5spd project (P)
Mini R52 S (54)
BMW 330e eDrive MSport '16 (gone)
D3 '07 (56) XS TDV6 Buckingham Blue (gone) 
 
Post #175611431st Dec 2016 7:02 pm
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hgrimmett
 


Member Since: 11 Oct 2009
Location: Bledlow
Posts: 901

2015 Discovery 4 3.0 SDV6 SE Tech Auto Indus SilverDiscovery 4

I had a funny thing on an Audi in which the reverse bulbs, which I had replaced with LEDs, would blink momentarily every 30 seconds or so. It was too do with the system checking the bulb hasn't blown but with LEDs it manifested as a flash...
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D4 '15 (64) Se Tech Indus Silver
Tesla Model Y LR (22)
Audi TT Roadster 225 (52)
Tesla Model 3 LR (70) (gone)
Porsche Boxster '96 2.5 5spd project (P)
Mini R52 S (54)
BMW 330e eDrive MSport '16 (gone)
D3 '07 (56) XS TDV6 Buckingham Blue (gone) 
 
Post #175611531st Dec 2016 7:05 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72979

Ukraine 

Good to see LEDs being reinstalled. Taken one of mine out (front left map light) & replaced with the old filament type. Far too bright, was killing my night vision if I needed a light on when driving!! Whistle
   
Post #175612731st Dec 2016 7:17 pm
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