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Fog lights on with main beam
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KenR
 


Member Since: 17 Jan 2010
Location: Argyll Scotland
Posts: 169

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Zermatt SilverDiscovery 4
Fog lights on with main beam

With the removal of the dedicated main beam bulb from the DRL headlight (replaced with an indicator!) there is a definite reduction in main beam light output. As I very rarely use the fog lights in anger (I cannot remember when I last did so) could they be replaced with an alternative bulb assemble (say a projector bulb) to come on with the main beam?
Would this be ;-
a) legal
b) sensible
c) possible
  
Post #186907016th Oct 2017 3:09 pm
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Famousfive
 


Member Since: 12 Aug 2014
Location: Southampton
Posts: 777

United Kingdom 2013 Discovery 4 3.0 TDV6 GS Auto Loire BlueDiscovery 4

sure its possible yes - beanie wired up a light bar to his fog switch IIRC

After trying out my MY14 Xenons this weekend I have to agree with you that these things are useless - talk about style over substance Big Cry

Will be going back to old style lights for the winter
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Post #186909116th Oct 2017 3:58 pm
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swansty
 


Member Since: 21 Sep 2008
Location: Northern Ireland
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Northern Ireland 2010 Discovery 4 3.0 TDV6 XS Auto Zermatt SilverDiscovery 4
Re: Fog lights on with main beam

KenR wrote:
With the removal of the dedicated main beam bulb from the DRL headlight (replaced with an indicator!) there is a definite reduction in main beam light output. As I very rarely use the fog lights in anger (I cannot remember when I last did so) could they be replaced with an alternative bulb assemble (say a projector bulb) to come on with the main beam?
Would this be ;-
a) legal
b) sensible
c) possible


aren't foglights too low to be "legally" classed as main beams?
  
Post #186935217th Oct 2017 10:27 am
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Hardware17
 


Member Since: 28 Jun 2016
Location: Manchester
Posts: 1679

England 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

I think if you have a switch so you can select whether or not the normal mainbeam switch operates them, they are fine.

in terms of being useful as part of your mainbeam, they will obviously add width to the lit-up zone so will help with seeing verges but not sure what extra distance they will add.

changing them for a suitable spot rather than fog lamp will be less effective due to low position on car.
  
Post #186935617th Oct 2017 10:43 am
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ginjeremy
 


Member Since: 09 Jan 2011
Location: west yorkshire
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United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

I have just searched for this thread after noticing there is no secondary main beam Shocked
Why didn't Land Rover use all that unused void under the drl to accomodate the indicator? There are even two holes to fit bulbs into that space Rolling Eyes
  
Post #188086318th Nov 2017 2:01 pm
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dgardel
 


Member Since: 03 Nov 2009
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Italy 2011 Discovery 4 3.0 SDV6 HSE Lux Auto Santorini BlackDiscovery 4

Possible by editing the CCF
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Post #188096418th Nov 2017 6:41 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
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England 2005 Discovery 3 TDV6 HSE Auto Baltic BlueDiscovery 3

ginjeremy wrote:
I have just searched for this thread after noticing there is no secondary main beam Shocked
Why didn't Land Rover use all that unused void under the drl to accomodate the indicator? There are even two holes to fit bulbs into that space Rolling Eyes


Interesting point, I am sure I've seen the "lamp" at the bottom light up on an HSE lux. in a video! - what is high beam assist?
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Post #188097518th Nov 2017 6:57 pm
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galwaygreen
 


Member Since: 30 Oct 2011
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United Kingdom 2016 Discovery 4 3.0 TDV6 Graphite LE Auto Loire BlueDiscovery 4

suggest you read highway code on use of fog lites
  
Post #188102418th Nov 2017 9:09 pm
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KenR
 


Member Since: 17 Jan 2010
Location: Argyll Scotland
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United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Zermatt SilverDiscovery 4

Galwaygreen - please explain,
  
Post #188104318th Nov 2017 9:52 pm
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Canburne
 


Member Since: 15 Jan 2013
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United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

Quote:
Road Rule 217 states that drivers must not use front or rear fog lights unless driving in fog or other hazardous weather conditions that cause reduced visibility. They must be switched on separate from the main beam (high beam) and dipped beam (passing) headlights.


sinnce you cant be botherted to google it...... Whistle Whistle Whistle
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Post #188105318th Nov 2017 10:25 pm
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KenR
 


Member Since: 17 Jan 2010
Location: Argyll Scotland
Posts: 169

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Zermatt SilverDiscovery 4

If you read the original post you will see that the idea was to replace the fog lights with a different beam pattern to enable them to be used in a similar manner to a long range driving light.
  
Post #188106118th Nov 2017 10:45 pm
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Washwipe
 


Member Since: 19 Apr 2013
Location: Bucks Oxon Herts Border
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England 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

M3DPO wrote:
ginjeremy wrote:
I have just searched for this thread after noticing there is no secondary main beam Shocked
Why didn't Land Rover use all that unused void under the drl to accomodate the indicator? There are even two holes to fit bulbs into that space Rolling Eyes


Interesting point, I am sure I've seen the "lamp" at the bottom light up on an HSE lux. in a video! - what is high beam assist?


Automatic Dip, above 30mph it will put the headlights on full if it senses no other vehicles or street lights, some large reflective road signs can confuse it, as can fog.
  
Post #188106518th Nov 2017 11:06 pm
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L319
 


Member Since: 14 Dec 2013
Location: Herefordshire
Posts: 1179

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

As far as I can find, if they are not fog lamps the illuminated area must be no less than 500mm from the ground or above 1200 mm . Not sure if the above 500mm would be met. If below 500mm can only be used in reduced visibility.
  
Post #188106818th Nov 2017 11:14 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
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United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

galwaygreen wrote:
suggest you read highway code on use of fog lites


If you think about it, people tend to use high beam when theres no other cars coming the other way so cant really see the fogs being an issue, but tbh I cant see them being much use either even with different bulbs.
 No Illeism here.  
Post #188109019th Nov 2017 2:18 am
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