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xenon headlight upgrade by mistake
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carlryder
 


Member Since: 26 Jan 2016
Location: lancashire
Posts: 30

United Kingdom 
xenon headlight upgrade by mistake

on my 2012 d4 my passenger headlight broke so i bought xenon on ebay with drp and i think the adaptive cornering , now i dont care about afaptive cornering but all that works is drl strip and indicator
ive read about having to upgrade some files but can i just change one headlight or do i have to od both or if its just a current problem cant i fool it by using a relay , just want simplest way ( and cheapest to sort )
  
Post #202125122nd Jan 2019 9:28 pm
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Hardware17
 


Member Since: 28 Jun 2016
Location: Manchester
Posts: 3968

England 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

hmmm … can't think of any settings that won't leave the car confused by this.
 Dean.
====================================
2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer Sad ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms 
 
Post #202126222nd Jan 2019 9:40 pm
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carlryder
 


Member Since: 26 Jan 2016
Location: lancashire
Posts: 30

United Kingdom 

so presuming its a current problem can i not put a relay for the xenon side ? ,unless i can find another headlight for drivers side
  
Post #202126622nd Jan 2019 9:47 pm
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Hardware17
 


Member Since: 28 Jun 2016
Location: Manchester
Posts: 3968

England 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

the power to the headlamps goes through FET transistors and the car knows the current to expect to be used. So even if you could workout how to put a relay in the circuit, as I understand it the car will throw a wobbler if it doesn't deliver the same current to the two sides.

Guessing the xenon unit was a good price ? why not see if you can get the other side ?
  
Post #202126722nd Jan 2019 9:51 pm
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carlryder
 


Member Since: 26 Jan 2016
Location: lancashire
Posts: 30

United Kingdom 

i dont know if it was cheap was £140 new ? , ive looked on ebay for others but would want one to match with the led strips and not sure if all do

it has afs as well but obvisuly car not wired for that which is fine

going back to relay could i not take relay feed for side that works and run across to power the xenon side dont get me wrong ill but another but struggle to find one
  
Post #202127322nd Jan 2019 10:15 pm
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NavyDoc
 


Member Since: 11 Jan 2009
Location: Perth
Posts: 56

2013 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4

The headlamp should still work even if you’ve bought the adaptive spec unit by mistake. I suspect that either the bulb has gone or you have a duff ballast pack on the base the headlamp. You could simply switch bulb and ballast from your working headlamp to identify which has failed. Very Happy
  
Post #202127422nd Jan 2019 10:16 pm
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carlryder
 


Member Since: 26 Jan 2016
Location: lancashire
Posts: 30

United Kingdom 

i thought they didnt work if car wasnt adapted for it
  
Post #202127622nd Jan 2019 10:20 pm
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Hardware17
 


Member Since: 28 Jun 2016
Location: Manchester
Posts: 3968

England 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

they often start to light-up then the car cuts the power as current is to high if it's not set for xenons … is it possible yours is doing that ?
  
Post #202128522nd Jan 2019 10:48 pm
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beanie
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Member Since: 12 Mar 2011
Location: In the garage messing with something
Posts: 14256

England 2013 Discovery 4 3.0 SDV6 GS Auto Fuji WhiteDiscovery 4

D4 Xenons will not work in a non Xenon set up car, occasionally you get the to light up once, then that’s it.

Only way is to match the headlamps, 2 Xenon and ccf edit the settings or replace with a halogen, they’re way cheaper Thumbs Up
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Post #202129322nd Jan 2019 11:00 pm
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carlryder
 


Member Since: 26 Jan 2016
Location: lancashire
Posts: 30

United Kingdom 

thansk and i now realise that its wrong and i need ot buy anothe ror a halogen , the xenon with afs was cheaper than any halogen and now i know why
  
Post #202134023rd Jan 2019 7:57 am
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Hardware17
 


Member Since: 28 Jun 2016
Location: Manchester
Posts: 3968

England 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

new for £140 ??? that's suspiciously cheap methinks.

if you could get it tested and it works, then getting the other side is a good option. the light is far better than halogen. (until 2014 MY IIRC … then LR managed to make it worse !! )
  
Post #202135223rd Jan 2019 8:29 am
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carlryder
 


Member Since: 26 Jan 2016
Location: lancashire
Posts: 30

United Kingdom 

im baffled by it all

as it says on here when i plug in it Censored light down (as current wrong )
unplug it voltage is there so all good , ive tried putting a relay in line and it wont pull relay up

im sure it works is brand new and other functions work

i think ill try and get another headlight then get files updated i presume can be done with autologic
  
Post #202138823rd Jan 2019 10:13 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 5520

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

I think you have got a dud lamp, maybe only the bulb, try unplugging the halogen, the xenon should work in a fashion on halogen setting. Xenon setting will blow halogen bulbs.
Even if you get it working you will have an mot fail.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #202141623rd Jan 2019 11:42 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 5520

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

When xenons are switched on a high starting current is sent to ignite the gas(xenon) if the lamp does not receive this strike of current it will either not light, flicker on/ off or flicker and stay on. If you have halogen bulb in the strike of high current will blow the bulb sometime soon.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #202141923rd Jan 2019 11:50 am
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carlryder
 


Member Since: 26 Jan 2016
Location: lancashire
Posts: 30

United Kingdom 

I can get light to fire up when removed from car so light is fine

Im buying a xenon headlight for other side thrm ill get file updsted on car

Only issue is now indicstor not working and again its not the bulb as tested , think car got gremlins
  
Post #202146723rd Jan 2019 2:15 pm
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