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| D2 - Lights Headlights, xenons, foglights. Everything outside the car that glows |
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#1
23rd July 2012, 05:58 PM
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Foglight error
On my audi A8 d2 3.3 TDI the fog lights just stopped working one day. The fuse on the passenger side is ok, aswell as the bulbs. What is the problem?
When i push the foglight switch nothing happens, its dead. not even a light comes on inside dashboard. Any ideas? 
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#2
23rd July 2012, 06:05 PM
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relay or wiring broken?
__________________
Confidence is the feeling you have before you know better . . . .  Audi A8 D2 3.7 Quattro Sport 1999 FL - Melange 2nd Place Winner - A8-Freunde Annual German Meet 2012 at Edersee 20" x 9" Bentley GTC Wheels with 385mm W12 Front Discs & Bentley Caliper Covers, Front Lowered on Coilovers, Xenons, Combined DRLs and LED Foglights to modified OEM front fog lamp position, Alcantara/Leather, Full Black Alcantara headlining + pillars and blind shelf, Bespoke Flat Bottomed Sports Steering Wheel, Dark Myrtle Wood, Autodim Mirrors, Bose, Blinds, Digital TV, Ski Hatch, Modified rear exhaust section for extra V8 Burble  Audi S8 D2 Final Edition 2002, Avus Silver with Red Leather Interior Tiptronic with Sport mode button, Sony rear entertainment package, Bose sound system, Audi Navigation Plus, 20 inch Final Edition alloys, Full Cat Back Stainless Milltek exhaust, giving a great V8 burble Audi A8L D2 4.2 Petrol with LPG - Ebony Black Audi A8L D4 FL 4.0T Petrol twin turbo - Havana Black Audi A2 1.6 FSi Sport - Dolphin Grey with Votex body kit and Red Leather Interior and some other A8's A8L's and Mercs
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#3
23rd July 2012, 06:10 PM
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don't think its the wiring because it happened so fast. i started the engine, switched one the lights and hit the foglight switch. The green light came on for less then a second and haven't worked since.
Where can i find the relay?
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#4
23rd July 2012, 10:18 PM
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Quote:
Relay is part No 8D0907701A control unit for fog lights and rear fog light / relay location/code no.: 3+8/397 /
__________________
Confidence is the feeling you have before you know better . . . . Audi A8 D2 3.7 Quattro Sport 1999 FL - Melange 2nd Place Winner - A8-Freunde Annual German Meet 2012 at Edersee 20" x 9" Bentley GTC Wheels with 385mm W12 Front Discs & Bentley Caliper Covers, Front Lowered on Coilovers, Xenons, Combined DRLs and LED Foglights to modified OEM front fog lamp position, Alcantara/Leather, Full Black Alcantara headlining + pillars and blind shelf, Bespoke Flat Bottomed Sports Steering Wheel, Dark Myrtle Wood, Autodim Mirrors, Bose, Blinds, Digital TV, Ski Hatch, Modified rear exhaust section for extra V8 Burble Audi S8 D2 Final Edition 2002, Avus Silver with Red Leather Interior Tiptronic with Sport mode button, Sony rear entertainment package, Bose sound system, Audi Navigation Plus, 20 inch Final Edition alloys, Full Cat Back Stainless Milltek exhaust, giving a great V8 burble Audi A8L D2 4.2 Petrol with LPG - Ebony Black Audi A8L D4 FL 4.0T Petrol twin turbo - Havana Black Audi A2 1.6 FSi Sport - Dolphin Grey with Votex body kit and Red Leather Interior and some other A8's A8L's and Mercs Last edited by Architex_mA8tey; 23rd July 2012 at 10:26 PM.
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#7
26th July 2012, 07:21 AM
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Quote:
Fuses usually blow for a reason though...... Sometimes relays are standard units and there can be several identical ones in a car, facilitating "testing by swapping"; in this case though it's less likely due to the interlinked way foglights work with multiple inputs and multiple outputs. Personally I would identify it and see if A8 parts have one available. Probably the cheapest method of initial diagnosis and quite likely a fix too.
__________________
2003 D2 FL S8. Irish Green Pearl/Beige. Solar sunroof, auto-dim mirrors, electric rear seat functions and extended leather. Ski hatch retrofit. Aftermarket reversing camera. DVB-T and XCarlink now removed as redundant. 2016 Volvo V40 T5 Cross Country (4WD) with ALL the toys including adaptive cruise etc. etc. Osmium Grey with Blonde/Charcoal leather interior. Polestar performance "optimisation". (Even rarer than a D2 S8!) Oh, and a brand new engine at just under 30,000 miles on the factory one!  Finally: gone, but not forgotten..... 1998 D2 PF S8. Agate Grey/Platinum. Every option (I think) except electric rear seats, Tiptronic steering wheel, ski hatch, towbar & dimming door mirrors. e.g. Cruise control, NavPlus/TV, Bose, GSM, Xenons, Solar roof, Parking sensors, Alcantara/leather everywhere of course.  (internal dimming mirror added later)1998 (very early) Ford Focus 1.8 Zetec; ABS/TCS, Heated screen/mirrors, Aircon. Added Auto-dim mirror, Leather seats, Trip computer, Cruise control, OEM Ford SatNav with CD changer. And before that a lot of Rover 800s, a few oddities, a lovely Triumph Dolomite 1850HL with Overdrive and way back in my schooldays an Austin Seven aka Mini 850! 
Last edited by HPsauce; 26th July 2012 at 07:24 AM.
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#8
26th July 2012, 10:41 AM
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i used a multimeter to check bulbs and fuse.
yesterday i did get the foglight on by accident. the multimeter pin connected to circuits when i was trying to measure the switch. So i don't really know what the problem is since both the switches works fine one rear foglight.
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#9
26th July 2012, 04:54 PM
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Like I said...
Quote:
 Best to get help 
__________________
Men have feelings too. For example we feel hungry.....
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