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Front fog light wired to headlight
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Ali4390
 


Member Since: 18 Jun 2021
Location: Derby
Posts: 51

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Siberian SilverDiscovery 3
Front fog light wired to headlight

When investigating my broken parking sensors, I noticed that both of my front fog lights are wired to the headlights. Is this normal? They both have the usual plug from the loom, but the red & black wire from the top of the fog light doesn't look very standard.

I'll get some pictures tomorrow.
  
Post #237216930th Jun 2024 7:23 pm
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DN
D3 Decade 


Member Since: 23 Jun 2006
Location: W.London.
Posts: 2344

Ukraine 2006 Discovery 3 TDV6 Base 7 Seat Auto Zambezi SilverDiscovery 3

When you switch the headlights on, do the fog lights come on too ? They shouldn’t until you pull the light switch out towards you one notch, then the front fog lights should come on, pull out to 2nd notch and rear fog lights should come on. The wiring loom may have chafed behind the bumper previously (quite a common fault) so replacement wires may have been put in.
 D3 owned from new, P017 brake recall, BAS FBHIC, new FBH, LR013487 oil pump, new water pump. RRS front lower suspension arms. New suspension compressor/ relay. New Denso alternator. CuNifer rear brake pipes. New GKN rear propshaft. New HPFP belt & tensioner. New A/C Condenser.NO WARRANTY for many many years.  
Post #237217230th Jun 2024 8:37 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8225

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

There are several combinations possible for the fog lights in the CCF(car configuration file) I.e. to come on or not with high beam or they could be wired like mine to come on as spots with the high beam.
As standard they should not unless as above they are switched on.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #23722111st Jul 2024 8:20 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10676

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Sounds like DRLs fitted
  
Post #23722192nd Jul 2024 2:21 am
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DN
D3 Decade 


Member Since: 23 Jun 2006
Location: W.London.
Posts: 2344

Ukraine 2006 Discovery 3 TDV6 Base 7 Seat Auto Zambezi SilverDiscovery 3

I guess we’ll never find out, as the OP cannae be bothered to reply Laughing
 D3 owned from new, P017 brake recall, BAS FBHIC, new FBH, LR013487 oil pump, new water pump. RRS front lower suspension arms. New suspension compressor/ relay. New Denso alternator. CuNifer rear brake pipes. New GKN rear propshaft. New HPFP belt & tensioner. New A/C Condenser.NO WARRANTY for many many years.  
Post #237311612th Jul 2024 8:39 pm
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Ali4390
 


Member Since: 18 Jun 2021
Location: Derby
Posts: 51

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Siberian SilverDiscovery 3

I've been travelling in Borneo for 3 weeks, where the signal is non-existent, hence the late reply.

I need to confirm when I get back to the car but I don't think the fog lights come on with the headlights.

I'm assuming it some kind of custom wiring, as none of the replacement fog lights that I've looked at have provision for wiring to the top of them.
  
Post #237355219th Jul 2024 12:34 am
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