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Replacing Front Fog Lamps With Driving/Spot Lamps
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DiscoDad
 


Member Since: 06 Nov 2006
Location: Beautiful Teesdale
Posts: 3003

United Kingdom 2014 Discovery 4 3.0 TDV6 HSE Lux Auto Fuji WhiteDiscovery 4
Replacing Front Fog Lamps With Driving/Spot Lamps

Hi Chaps,

I was wondering...
Has anyone replaced the front fog lamps with a more powerful LED driving lamp or spot lamp?

Given that the front fogs are about the same height as normal car headlamps I think it would be worth doing. Obviously they would need to be re-wired to come on with the main beam instead of the fog light switch.

I never use front fogs anyway as I think they are useless on any car!

It will not impact the MOT as front fogs are not a legal requirement.

Just trying to keep the car looking standard while improving night-time driving out here in the sticks without having to add light-bars etc.

Your thoughts, as always, would be appreciated. Thumbs Up
 Back in the game!  
Post #23526619th Nov 2023 10:59 am
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nigethecat
 


Member Since: 11 Sep 2016
Location: Marnoch
Posts: 4146

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

I fitted these in my D3 https://www.powerfuluk.com/collections/dis...iscovery-3

Not exactly the driving light you were looking for but certainly modernise the front end with the DRLs, the fog unit is fairly good as well so may meet what you need ?
 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 #23526669th Nov 2023 12:05 pm
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pwheeldon
 


Member Since: 15 Jan 2020
Location: West Yorks
Posts: 1448

England 2005 Discovery 3 TDV6 S Auto Bonatti GreyDiscovery 3

I put Osram Night breaker lamps in and its made a massive difference, just need to put front fogs on or could rewire them.
 Discovery 4 GS 2009 Auto Stornoway Grey
Discovery 3 s 2005 Auto Bonatti Grey Gone
Discovery 3 SE 2005 Manual Zambezi Silver Gone
Range Rover Sport HSE 2006 Black
Aston Martin DB7 VV 
 
Post #23526869th Nov 2023 8:52 pm
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DiscoDad
 


Member Since: 06 Nov 2006
Location: Beautiful Teesdale
Posts: 3003

United Kingdom 2014 Discovery 4 3.0 TDV6 HSE Lux Auto Fuji WhiteDiscovery 4

nigethecat wrote:
I fitted these in my D3 https://www.powerfuluk.com/collections/dis...iscovery-3

Not exactly the driving light you were looking for but certainly modernise the front end with the DRLs, the fog unit is fairly good as well so may meet what you need ?


Yeah I have been on their site and saw those.
I assume your headlight and fog light DRLs are all on together. Does it not look like Blackpool illuminations? Laughing
I'd be interested in a pic if you have one. Thumbs Up
 Back in the game!  
Post #23526949th Nov 2023 11:23 pm
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nigethecat
 


Member Since: 11 Sep 2016
Location: Marnoch
Posts: 4146

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

Just DRLs when normal driving, they dim when headlights come on (also dim with indicators) , you can have fog lights and headlights on together but would be rarely.

Can’t find the photo with all on together but this is just the DRLs
Click image to enlarge
 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 #235269610th Nov 2023 12:17 am
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Worms
 


Member Since: 24 Sep 2023
Location: Highlands
Posts: 268

Scotland 2005 Discovery 3 TDV6 Base 7 Seat Auto Zambezi SilverDiscovery 3
Re: Replacing Front Fog Lamps With Driving/Spot Lamps

DiscoDad wrote:
Hi Chaps,

I never use front fogs anyway as I think they are useless on any car!

Your thoughts, as always, would be appreciated. Thumbs Up


Just to pick up on the "foglights are useless" bit... I've always found that foglights have a wider beam than the headlights and are really good for picking out deer that are close to the road at night. Especially in these places where the road is slightly above the surrounding terrain - the deer look up as they see and hear the car approaching and the lights refelect from their eyes. I guess extra lights on a light bar might achieve the same thing, but the low position of the foglights really seems to help.

And as for DRLs, running with the vehicle in "Scandinavian" mode is a good alternative.
 Previously:
2010 FL2 TD4e GS
‘93 Defender 110 200TDi CSW - still got this, non-runner on SORN.
‘87 Defender 90 4 cyl Petrol
‘83 110 CSW V8 - best ever!
Range Rover 2-door V8 (not sure of year - 4-speed box and vacuum diff switch)
Series III SWB Diesel 
 
Post #235270110th Nov 2023 7:15 am
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popsdosh
 


Member Since: 09 Nov 2009
Location: cambs
Posts: 442

United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Corris GreyDiscovery 4

I guess you dont feel the need for effective fog lights as replacing them with high powered brighter beams makes driving in fog a lot worse. There are plenty of upgrade bulbs available that improve the normal lights no end . I too use night breakers and they made a huge difference. I guess a lot depends what your original lights are ? Generally I would say that the fog light height would not be suitable for more long range bulbs.
  
Post #235270610th Nov 2023 8:49 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8106

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

I have fitted air cooled LED"s in place of the low powered halogen bulbs, switched through the main beam of the xenons via a relay so that they only come on with full beam about 5 years ago, not had any problems and still work good.
The rear cooling fan on the LEDS must be short or they will foul on the washer bottle.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #235273410th Nov 2023 3:58 pm
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HairyFool
 


Member Since: 04 Jan 2023
Location: Essex
Posts: 526

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto ZanzibarDiscovery 4

Also picking up the useless aspect of fog lights.

True fog always is about 12-18in above the ground, below that height the air is actually clear. I didn't see a great use for them until I was told to turn off the headlamps.

With the headlamps on in a particularly heavy fog visibility was about 2-3 yards. Headlights off so only sides and fogs and the fog dissappeared, literally. It was only the other cars on the road that made me see the fog.

True we didn't start hareing around but it certainly made for more comfortable driving.
 A visitor from the dark side, my other vehicle is an MG5 EV  
Post #235420627th Nov 2023 2:41 pm
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DiscoDad
 


Member Since: 06 Nov 2006
Location: Beautiful Teesdale
Posts: 3003

United Kingdom 2014 Discovery 4 3.0 TDV6 HSE Lux Auto Fuji WhiteDiscovery 4

Yeah, perhaps 'useless' was too strong a word to use.

I do know how to use them (headlamps off) and living where I do I have plenty of opportunity.
I find that I usually flick between low beam and fogs to see which is best for that particular situation and usually it's the low beam that I stick with.
 Back in the game!  
Post #235452230th Nov 2023 4:30 pm
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itsaguything
 


Member Since: 20 Dec 2023
Location: Manotick, On
Posts: 146

Canada 2015 LR4 3.0 SCV6 HSE Lux Auto Aintree GreenLR4

I’ve gone in the other direction. We get a lot of fog. As I’ve done on the other cars, I have replaced the bulbs with yellow fog lamp bulbs. The visibility is improved, at least for me.
 2015 LR4 HSE Lux Aintree Green
2013 LR2 HSE Radiance Red
2007 XKR Jaguar Racing Green
2005 XJR Jaguar Racing Green
2002 S-Type R British Racing Green 
 
Post #235930118th Jan 2024 5:42 am
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popsdosh
 


Member Since: 09 Nov 2009
Location: cambs
Posts: 442

United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Corris GreyDiscovery 4

Yellow always is superior in fog . Everybody gets excited about LED but they are totally hopeless.
  
Post #235937819th Jan 2024 1:10 am
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itsaguything
 


Member Since: 20 Dec 2023
Location: Manotick, On
Posts: 146

Canada 2015 LR4 3.0 SCV6 HSE Lux Auto Aintree GreenLR4

i concur!
 2015 LR4 HSE Lux Aintree Green
2013 LR2 HSE Radiance Red
2007 XKR Jaguar Racing Green
2005 XJR Jaguar Racing Green
2002 S-Type R British Racing Green 
 
Post #235955320th Jan 2024 9:45 pm
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