Monster MotorsportAH Fabrications
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  1. #1
    Woorlord's Avatar
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    Retrofitting Valeo HID Xenons to H7 Headlight

    Decided to go for Valeo HID Ballast Kit and fit them in my H7 Halogen Headlight units. These kits are readily available in the US and I have recently found a supplier UK based.

    I have previously had Slimline Ballasts fitted in this Healdight unit, but still get the intermittent "Brake Warning/ABS" errors on the DIS when switching the Lights on - Re-routing the crash sensor screened cables can reduce this error occurence but I have not been able to get rid of it 100%. Aftermarket HID kits rely on bulb connections from a Ballast or intermediate box using HT cables to the bulb, I believe these HT cables emit an RF interence spike which interferes with the crash sensor communication cables. (Note that this slimline ballast kit never gave me bulb out warnings on the DIS only the occasional Brake/ABS errors.)

    The Kit I received (postmarked from San Fransico?) had the following parts:



    plus H7/D2S adaptor rings and 12x Torx screws.

    I am using my original H7 Projector Headlights (o/s RHD shown):



    From my previous Slimline HID kit fit I had already cut a hole between the OEM Ballast recess
    and the inside of the headlight.



    Dimensions are here if you need to do this:



    The Valeo Ballast to fit:



    Crimp some male spade connectors to the power supply cable and insert the plug into
    the Ballast 4 pin terminal. Connect the "Low voltage" shielded igniter wire into the other socket.



    The Ballast comes with a rubber gasket already in place. Feed the wires through the
    headlight hole and position the Ballast:



    Secure the Ballast with the Torx screws supplied:



    Cables seen from inside the H7 projector headlight. Connect the 12v H7 bulb
    feed plug to the two ballast spade connectors. (These connections do not seem
    to be polarised.)



    The D2S bulb (4300K) - note that the H7 metal adaptor ring is already fitted.
    Normally you have to trim a small part of the bulb base to make the bulb fully
    compatible with the H7 fitting.



    I was advised to do the following: "There is some further installation information that I would like to make you aware of although I think it will be obvious what needs to be done when you handle the items. The HID bulb should be orientated and fitted with the ceramic tube at the lowest position. The H7 adapter is fitted to the base of the bulb but in order to fit in your headlights the base will need to be modified slightly. The rim of base of the bulb will need to be trimmed off (with a dremel or clippers) so it doesn't obstruct the H7 adapter. "

    I used a Junior hacksaw very carefully!

    Picture from the "HID Origin" email H7 plate instructions showing the parts to trim with the H7 metal adaptor plate fitted:



    HID Concept also have this bulb modification documented if you purchase their H7/D2S Adaptors.

    The bulb in position and fully retained with the original H7 spring clip. This clip will
    fit but needs a little persuasion to seat in correctly - you just need to wiggle it over
    the bulb bayonet lugs.



    You can now connect the braided cable to the Valeo Igniter unit and then push
    this onto the bulb:



    The Valeo Igniter will lock in position with a 45 degree clockwise twist action.
    All done and locked in place:



    Bulb access cover fitted in place:



    Repeat for the other headlight unit.
    Job done.

    Fitted both headlights and no DIS bulb out errors.
    Last edited by Woorlord; 29th January 2011 at 15:30.
    2001 A4 Saloon 3.0 Quattro Sport Tiptronic - Platinum Leather/Heated Front Seats/BOSE/DIS/Cruise Control
    Retrofits:GmBH Bumpers, F&R Ambient LEDS, OEM Valeo Xenons (D2S) & Headlight Washers, Auto-dipping RVM, Footwell Lights, Vent Control illumination, ISO-Fix, RNS-E & OEM Bluetooth + VIMhack + Video i-pod & Aux inputs, Rear PDC, Powerflow 100mm Tips, Reversing Camera
    2012 A4 Saloon 2.0 TDIe Technik (163ps)
    Diagnostics:VCDS HEX+USB+CAN Cable

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  3. #2
    1210tech's Avatar
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    I've had this kit fitted to my car for 3 years now after getting fed up with failing bulbs on the previous aftermarket kit I bought and the Philips 4300k bulbs are still going strong.

    Very worthwhile investment if you ask me, yes its a lot more expensive than the aftermarket ones but the quality is second to none

    Got my kit from here all arrived safe & sound and made it through customs with no VAT
    Last edited by 1210tech; 29th January 2011 at 15:26.
    A4 2.5 TDi quattro sport saloon
    RNS-E DVD Nav running SW 0600 with 2007 disc including TMC function, Bluetooth Telephone, Audi iPod Interface
    18" RS6's now gone, replaced by OEM 18" S4 alloys
    Retrofit S-Line Bodykit
    Retrofit OEM Xenon's
    Retrofit Front Ambient Lighting
    Retrofit OEM Aero Wipers (thanks PJMSpeedy)

  4. #3
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    Woorlord,

    Is it possible to screen the cables from a normal HID kit to try and cancel out the occasional errors on the DIS? This may be cheaper option for those of us who can't afford the Valeo kit...
    03MY 52 reg 1.9 TDi 130PS Quattro Sport Avant - 170bhp remap, RNS-E+OEM bluetooth, B7 wiper arms/blades, 4300K HID+nightbreakers/LED sidelights, rear tints, new lights all round, new front/rear screens, frt armrest, s-line kit, cruise/DIS, B7 gearknob/aluminium trims, parking sensors, black grilles, RS4 RARB, S4 front end, black 18" RS6 alloys

    Still waiting..... S4 rear bumper, exhaust tips, coilovers, leather recaro's.... phew...

  5. #4
    Woorlord's Avatar
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    Quote Originally Posted by jbcalvin View Post
    Woorlord,

    Is it possible to screen the cables from a normal HID kit to try and cancel out the occasional errors on the DIS? This may be cheaper option for those of us who can't afford the Valeo kit...
    Thought about this for a long time - prompted me to try slimline ballasts over my original large ballasts. The problem still persisted despite additional ballast earthing.
    You could try wrapping earthed fine wire mesh over each HT lead and connector from the HT box/igniter to the back of the bulb. I really did consider this but thought this would end up quite bulky and lack flexibility to actually fit the various items in place.

    There must be an obvious reason why Valeo put the HT igniter directly on the bulb in a completely screened module and using low voltage signals between the ballast and bulb fitted igniter in a fully screened braided cable. This Valeo design is widely used by Audi/VW/Volvo/Jaguar/Chrysler/Renault!

    Suggest you start another thread on this if you want to follow this up further.
    2001 A4 Saloon 3.0 Quattro Sport Tiptronic - Platinum Leather/Heated Front Seats/BOSE/DIS/Cruise Control
    Retrofits:GmBH Bumpers, F&R Ambient LEDS, OEM Valeo Xenons (D2S) & Headlight Washers, Auto-dipping RVM, Footwell Lights, Vent Control illumination, ISO-Fix, RNS-E & OEM Bluetooth + VIMhack + Video i-pod & Aux inputs, Rear PDC, Powerflow 100mm Tips, Reversing Camera
    2012 A4 Saloon 2.0 TDIe Technik (163ps)
    Diagnostics:VCDS HEX+USB+CAN Cable

  6. #5
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    Cheers Woorlord,

    As I am building everything from new using your build thread, I will probably screen all the cables everything prior to putting into car, may even try screening the ballast as well...

    Thanks for all the tips...
    03MY 52 reg 1.9 TDi 130PS Quattro Sport Avant - 170bhp remap, RNS-E+OEM bluetooth, B7 wiper arms/blades, 4300K HID+nightbreakers/LED sidelights, rear tints, new lights all round, new front/rear screens, frt armrest, s-line kit, cruise/DIS, B7 gearknob/aluminium trims, parking sensors, black grilles, RS4 RARB, S4 front end, black 18" RS6 alloys

    Still waiting..... S4 rear bumper, exhaust tips, coilovers, leather recaro's.... phew...

  7. #6
    SL11CKK's Avatar
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    Which ballast did you use; the LAD5G or the LAD5GL?

  8. #7
    Woorlord's Avatar
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    Quote Originally Posted by SL11 CKK View Post
    Which ballast did you use; the LAD5G or the LAD5GL?
    You can just see the type in the first ballast picture printed on the label - LAD5GL.
    2001 A4 Saloon 3.0 Quattro Sport Tiptronic - Platinum Leather/Heated Front Seats/BOSE/DIS/Cruise Control
    Retrofits:GmBH Bumpers, F&R Ambient LEDS, OEM Valeo Xenons (D2S) & Headlight Washers, Auto-dipping RVM, Footwell Lights, Vent Control illumination, ISO-Fix, RNS-E & OEM Bluetooth + VIMhack + Video i-pod & Aux inputs, Rear PDC, Powerflow 100mm Tips, Reversing Camera
    2012 A4 Saloon 2.0 TDIe Technik (163ps)
    Diagnostics:VCDS HEX+USB+CAN Cable

 

 

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