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H9 Bulb Mod for Cornering Lamps
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Lost for Words
 


Member Since: 03 Sep 2013
Location: Warminster, Wiltshire
Posts: 6625

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Yes, but you don't need to - you only have to modify the bulb. Smile Thumbs Up
 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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Previous: FL2 56 reg SE Manual Black (written off Sad )
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Disco 2 TD5 Y reg ES Manual Blue - Chipped Very Happy
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Post #190174115th Jan 2018 10:35 am
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Jimmy444
 


Member Since: 06 Jan 2017
Location: Tyne and Wear
Posts: 38

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Santorini BlackDiscovery 3

Perhaps I'm just a cheap skate at heart, if mine give up the ghost I'll give your solution a try and see the comparison. Very Happy
  
Post #190174815th Jan 2018 10:50 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 3291

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

I imagine car drivers aren't too impressed with this mod, as you wait to turn right out of a junction!
I imagine that is why a 35W was fitted!

I would have thought an upgrade to 55W was more than sufficient!
  
Post #190177815th Jan 2018 1:19 pm
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Erea
 


Member Since: 19 Mar 2012
Location: Munster
Posts: 1257

Ireland 2006 Discovery 3 TDV6 Commercial Manual Zambezi SilverDiscovery 3

I have the stronger bulbs in and I was also wondering if they would dazzle oncoming traffic especially traffic at right angles to me, but from what I have seen these lights are aimed down very low lighting up the near ground and don’t shine into oncoming drivers eyes. Dipped headlights point far higher than cornering lights.
  
Post #190179015th Jan 2018 1:56 pm
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Lost for Words
 


Member Since: 03 Sep 2013
Location: Warminster, Wiltshire
Posts: 6625

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

As said, the angle is low. The beam control is also spot-on and the intensity is inline with the dipped beams (the higher colour temperature of which will cause more glare). I've been at the receiving end of them myself many times and they have never been an issue - it's no different to looking at a normal halogen headlight. Thumbs Up
 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
Freelander 2 2007 HSE Manual Tambora Flame
Previous: FL2 56 reg SE Manual Black (written off Sad )
Disco 3 06 reg B7S Manual Rimini Red Rimini Red
Disco 2 TD5 Y reg ES Manual Blue - Chipped Very Happy
Several Discovery 300 TDis
 
 
Post #190179215th Jan 2018 2:15 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 3291

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Pete K wrote:
as you wait to turn right out of a junction!




On a normal car, when a car is waiting to turn right out of a junction, all your would see is an indicator flashing.
On later cars the right fog light would be on.

On a D3 the corning light would be on.

If the car coming down the road was a lower car than a D3 (quite likely), that car would have the cornering light pointing right into the windscreen.
  
Post #190187315th Jan 2018 7:26 pm
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Lost for Words
 


Member Since: 03 Sep 2013
Location: Warminster, Wiltshire
Posts: 6625

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

I don't see the relevance? As dipped beams of about the same intensity as the main dipped beams but aimed lower, they will not present any issue out of the ordinary.
 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
Freelander 2 2007 HSE Manual Tambora Flame
Previous: FL2 56 reg SE Manual Black (written off Sad )
Disco 3 06 reg B7S Manual Rimini Red Rimini Red
Disco 2 TD5 Y reg ES Manual Blue - Chipped Very Happy
Several Discovery 300 TDis
 
 
Post #190213316th Jan 2018 1:11 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 3291

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

dipped beams point forward and do not cause a problem.

cornering lights point out the side so they can't be compared.
  
Post #190213516th Jan 2018 1:16 pm
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Lost for Words
 


Member Since: 03 Sep 2013
Location: Warminster, Wiltshire
Posts: 6625

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Yes they can - why should a beam at 0 degrees viewed at 0 degrees be any different to a beam at 45 degrees viewed at 45 degrees? On the horizontal plane, it's a perfect relationship and when it comes to any vertical inclination, occasional glare from normal dipped beams is going to be statistically much more common. Thumbs Up
 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
Freelander 2 2007 HSE Manual Tambora Flame
Previous: FL2 56 reg SE Manual Black (written off Sad )
Disco 3 06 reg B7S Manual Rimini Red Rimini Red
Disco 2 TD5 Y reg ES Manual Blue - Chipped Very Happy
Several Discovery 300 TDis
 
 
Post #190214916th Jan 2018 1:38 pm
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DiscoJeffster
 


Member Since: 27 Feb 2016
Location: Perth
Posts: 77

Australia 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4

So interesting. When I try and use H9 65W in my 2010 D4 they only turn on for a short moment before they’re disabled with a fault logged. Presumably they’re drawing too much current and the Body Computer is seeing it as a short circuit as the fault describes. Not sure why this has worked for others and not me.


  
Post #19609547th Jul 2018 12:01 pm
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Erea
 


Member Since: 19 Mar 2012
Location: Munster
Posts: 1257

Ireland 2006 Discovery 3 TDV6 Commercial Manual Zambezi SilverDiscovery 3

D4 must be more sensitive to voltage than a D3.
I presume they are working normally with original bulbs.
  
Post #19609617th Jul 2018 12:51 pm
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DiscoJeffster
 


Member Since: 27 Feb 2016
Location: Perth
Posts: 77

Australia 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4

Well I was doing the cornering light retrofit and purchased H9 but now I have a pair of H9 I can’t use. Ah well.
  
Post #19609627th Jul 2018 1:06 pm
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Erea
 


Member Since: 19 Mar 2012
Location: Munster
Posts: 1257

Ireland 2006 Discovery 3 TDV6 Commercial Manual Zambezi SilverDiscovery 3

Are you sure it’s the bulbs that are causing the problem so? I’d test them with a weaker bulb to see if everything works.
  
Post #19609667th Jul 2018 1:22 pm
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DiscoJeffster
 


Member Since: 27 Feb 2016
Location: Perth
Posts: 77

Australia 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4

Yeah that's the plan. I'll try a fog light globe and see if the 55w is better. Failing that I'll have to purchase a 35w.
  
Post #19609747th Jul 2018 1:57 pm
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