How to change your headlamps to xenon

Stig555

Active Member
Mar 27, 2012
131
0
I have a 2011 model seat Leon with halogen headlights. I purchased oem xenon headlights with oem ballasts and bulbs. I have a few questions:

1. I understand that not all cecm will support this? How can I know which cecm I have and if it can work with the xenons?

2. I need adapters for the wiring harness - what is the difference between the kufatec and the tuning fanatics adaptor?

http://www.kufatec.de/shop/de/Seat/L...r-Seat-Leon-1P

http://www.ebay.com/itm/Xenon-Bi-Xen...-/130684895114

3. I understand that another wire is part of the adaptor plug and needs to be run into the car and connected to the cecm. Where do I connect it.

4. How do I code the xenons to work with vagcom? What menus and options must I tick for the bi xenons to work?

Thanks.
 

robthebubble

LED & Headlight Master
Feb 22, 2011
1,442
6
Solihull, West Midlands
I have a 2011 model seat Leon with halogen headlights. I purchased oem xenon headlights with oem ballasts and bulbs. I have a few questions:

1. I understand that not all cecm will support this? How can I know which cecm I have and if it can work with the xenons?

2. I need adapters for the wiring harness - what is the difference between the kufatec and the tuning fanatics adaptor?

http://www.kufatec.de/shop/de/Seat/L...r-Seat-Leon-1P

http://www.ebay.com/itm/Xenon-Bi-Xen...-/130684895114

3. I understand that another wire is part of the adaptor plug and needs to be run into the car and connected to the cecm. Where do I connect it.

4. How do I code the xenons to work with vagcom? What menus and options must I tick for the bi xenons to work?

Thanks.

Just sending you an email Aviv on what to do!
 

Stig555

Active Member
Mar 27, 2012
131
0
I have installed my oem xenon headlights with oem bulbs and ballasts on my 2011 seat Leon that came with halogens. I used the tuning fanatics adaptor to connect between the 10 pin and the 14 pin sockets and plugs. The main beam immediately worked without any vag com coding. I ran the two extra wires from the plugs into the cabin and they are currently in the cabin just above the clutch in my left hand drive Leon. I have been told that in order to get the bi xenon feature to work - thus getting the shutters to open and close, I need to connect these two wires lot plugs A5 and D6 on the cecm. Only problem is that I can't find them! Just above the clutch are 3 large plugs and that isn't it.
Can anyone offer any help?

From what I understand, when the headlights are on - meaning that the xenon main beam is on, when I flash my headlights, the shutter opens and this is the high beam.
When the headlights are off, if I flash my high beam, the xenon isn't used now because it takes a few secs to come up to temperature so the halogen bulbs are used as high beam. Is this right?

If I can't manage the cecm and the extra two wires? Is it possible to use vag com to code the car so that it will always use the halogen bulb as the high beam?

Thanks in advance to anyone that may be able to help.
 
Been asked for part numbers in another thread so this is probably the best place to post them :)

LEFT HEADLAMP 1P2941039 - £164
RIGHT HEADLAMP 1P2941040 - £164
CONTROL UNIT 4L0907391 - £150 x 2
RANGE CONTROL MOTOR 1P0941295B - £57 x 2
XENON BULB N10566103 - £120 X 2
LEFT BULB COVER 1P0941607 - £8
RIGHT BULB COVER 1P0941608 - £8
CONNECTOR 1J0973737 - £3 x 2
WIRE 000979131 - £1.41 x 2

does anyone know if these will be plug and play on a 58 plate cupra?
 

AM51DEY

Active Member
Feb 6, 2016
1
0
Vcds on xenon headlights

Does anyone know where in vcds menu you have to go into to enable xenon on leon that has halogens?
 
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