Member Since: 26 Jan 2016
Location: lancashire
Posts: 30
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 )
hmmm … can't think of any settings that won't leave the car confused by this..
Dean
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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 ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms
22nd Jan 2019 10:40 pm
carlryder
Member Since: 26 Jan 2016
Location: lancashire
Posts: 30
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
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 ?
22nd Jan 2019 10:51 pm
carlryder
Member Since: 26 Jan 2016
Location: lancashire
Posts: 30
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
22nd Jan 2019 11:15 pm
NavyDoc
Member Since: 11 Jan 2009
Location: Perth
Posts: 144
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.
22nd Jan 2019 11:16 pm
carlryder
Member Since: 26 Jan 2016
Location: lancashire
Posts: 30
i thought they didnt work if car wasnt adapted for it
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 !! )
23rd Jan 2019 9:29 am
carlryder
Member Since: 26 Jan 2016
Location: lancashire
Posts: 30
im baffled by it all
as it says on here when i plug in it 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
23rd Jan 2019 11:13 am
M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8106
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.
23rd Jan 2019 12:42 pm
M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8106
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.
23rd Jan 2019 12:50 pm
carlryder
Member Since: 26 Jan 2016
Location: lancashire
Posts: 30
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
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... All LED interiors lights, DRLs, Spare Wheel protector.
light down (as current wrong )
