I replaced both low beam HID lamps and one ballast on 2001 Audi TT coupe, Quattro. Lamps only work when dashboard switch is turned to Headlight position and lamps flicker in other positions. Lamps used to run whenever car was started (like running lights - car is a US model). After the changeout the low beams only come on when the switch is turned to headlight and fog light positions, flicker in other positions. Battery terminals cleaned and wrenched down for maximum contact - made no difference. Mike Sinclair
HIDs and DRL (daytime running lights) aren't compatible with each other. Try to look for a daytime fuse and pull it out to deactivate it if you wish to. Other alternatives are to add an hid relay harness to your hid installation. This will provide a constant 12V current from the battery. You can also use an anti-flicker capacitor for HID installations.
More help: Moonlight Driving
if you did it yourself and did not use factory lights or ballast then it could be a voltage detection problem. If you did use factory parts then the headlight switch may have failed by coincidence. also check connections at HL plugs and or switch. ???????????
I’m happy to assist further over the phone at https://www.6ya.com/expert/howard_977676954994c5b2
SOURCE: Lexus gs400 1998 ignition switch
Hi,
Sounds to me like either an Immobilisor or Key transponder issue.
Have your vehicle's OBD2 body computer checked for diagnostic codes by your nearest authorised agent - 90% of faults are monitored by this computer.
Checking for codes only takes 15mins (providing the technician knows what he is doing) and will save you unecessary expense.
Cheers,
HEADLIGHTS NOT WORKING
It
can be faulty headlight switch or issue with its wiring. Or its faulty head
light fuse.
==========
To
troubleshoot the issue i suggest you few help links with appropriate solution.
So you can follow the test and confirm what exact problem is there in your case
of headlights not working:-----
Click
the link below: -----
http://repairhelpcenter.blogspot.com/2012/01/all-headlights-not-working.html
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• Working of Headlight switch?
------------
• Both headlight bulbs blow together?
------------
• Car
headlight bulbs don't last long?
---------------
http://technoanswers.blogspot.in/2012/06/2007-dodge-caliber-low-beam-headlight.html
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----------
----------
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http://technoanswers.blogspot.in/2012/04/2001-chevrolet-tahoe-both-low-beam.html
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http://schematicsdiagram.blogspot.in/2012/04/low-beam-headlights-modification.html
---------
How to Replace a Headlight
http://schematicsdiagram.blogspot.com/2011/08/how-to-replace-headlight.html
------------
How to Replace a Headlight
Bulb
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-headlight-bulb.html
-----------
How to Replace a Headlight
Switch
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-headlight-switch.html
----------
How to Replace a Headlight Assembly
http://schematicsdiagram.blogspot.com/2011/08/how-to-replace-headlight-assembly.html
How to Replace a Park Light Assembly
http://schematicsdiagram.blogspot.com/2011/08/how-to-replace-park-light-assembly.html
-----------
http://schematicsdiagram.blogspot.in/2012/04/low-beam-headlights-modification.html
----------
http://schematicsdiagram.blogspot.com/2011/08/how-to-replace-headlight-door.html
----------
http://schematicsdiagram.blogspot.com/2012/01/how-to-replace-hid-headlight-bulbs-for.html
----------------
These
will help.
Thanks.
http://repairhelpcenter.blogspot.com/2012/01/passenger-side-low-beam-out.html
------------
Low beam HID light goes out?
http://schematicsdiagram.blogspot.com/2012/01/low-beam-hid-light-goes-out.html
----------2007 Dodge Caliber: Low Beam Headlight Not working
http://technoanswers.blogspot.in/2012/06/2007-dodge-caliber-low-beam-headlight.html
-------------Chevy Tahoe: Low Beam Lamps are not working?
http://technoanswers.blogspot.in/2012/04/chevy-tahoe-low-beam-lamps-are-not.html
----------2001 Chevrolet Tahoe: Both Low Beam Lamps Not Working?
http://technoanswers.blogspot.in/2012/04/2001-chevrolet-tahoe-both-low-beam.html
--------------2002 Toyota Tacoma: Low Beams not working?
http://technoanswers.blogspot.in/2012/04/2002-toyota-tacoma-low-beams-not.html
-----------Low beam headlights Modification?
http://schematicsdiagram.blogspot.in/2012/04/low-beam-headlights-modification.html
-----------DRL and Low beams not working?
http://schematicsdiagram.blogspot.in/2012/04/drl-and-low-beams-not-working.html
-----------These will help.Thanks.
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