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D2 - Interior Electrics Airbags, Sensors, climate modules, instrument clusters, switches etc |
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Thread Tools | Display Modes |
#1
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Door and footwell lights not working
S8 D2 2000
DIS shows that all the doors are open if i open the driver door. Door lights and footwell lights doesn´t work either. Any ideas what is wrong? In the trunk there is a black box on the right side under the fuses. What is that? Some earlyer owner has disconnect one of two positive wires from that box. Is there some reason why he had done that? |
#2
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Quote:
If so, that is the electrics for the heated windscreen. You can ignore the red wire at the extreme left of the photo. That was the power for the rear blind I fitted.
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2001 A8 D2 FL 3.7 Q - LPG Conversion, Engine: AKC, Gearbox:FBB, Colour:LY5X Aqua Blue pearl effect, Interior:WJ light beige/dark beige valcona leather with burr walnut inserts My DIY jobs - Replaced alarm horn, Replaced Coolant Temp sensor, Updated RNS-D firmware, Installed Reversing Camera and Digital TV, Dashcam Installation, Retrofitted Rear Blinds, Auto-Dimming Rear View Mirror, Chrome Boot Struts Sold! 2008 S8 D3 5.2 V10 - Engine: BSM, Gearbox:KLW, Colour:LY7F Suzuka Grey Pearl Effect, Interior:Black/Black with Silver/Black valcona leather with carbon atlas inserts, Bang & Olufsen, Heated windscreen, Soft-close doors, TV, DAB, AMI, Quad Zone, Auto Boot, Auto dim Mirrors, Keyless entry, PDC with rearview camera, AFS II Headlights My DIY jobs - Fan Jet Windscreen Washers, Retrofitted Electric Side Blinds |
#3
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Yes. That´s the same box.
I quess that someone has replace the windscreen as normal one and "delete" the heating system. Any ideas with the lights? |
#4
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Quote:
See this pdf: Current Flow Basic equipment From model year 1999.pdf ... especially pages 38, 39, 452, 457. If there's no positive supply to the bulbs to keep the voltage to the DIS 'pulled up', activating one door switch (which appears to pull one DIS input to ground) is possibly pulling all the DIS inputs to ground through the bulbs (via the 'floating' positive connection).
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Mark ------------------------------------------------------ 2002 FE S8 Ebony Black Pearl ------------------------------------------------------ ------------------------------------------------------ Cars Owned: The Tesla Era: 2020 Model S Performance Ludicrous+ (present) (Black, with all black premium interior and carbon fibre décor, 21" sonic carbon twin turbine wheels and FSD capability) The Audi Era: '97 A8 4.2 (Ming Blue) --> '96 A8 4.2 QS (Dark Green) --> '02 FE S8 (present) The Citroen Era: '84 BX 1.6 RS --> '89 BX 1.9 DTR Turbo --> '94 XM 2.0L Turbo --> '96 XM 2.0L Turbo Exclusive --> '00 Xantia Activa 2.0L Turbo The Banger Era: '76 1.2L Lada VAZ-2101 (Ruski Fiat 124) --> '80 1.7L Morris Ital HL, finished in Ermine White and Rust |
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