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A8 / S8 (D3 Platform) Discussion Discussion forum for the D3 Audi A8 produced from 2003-2010 and Audi S8 produced from 2006-2010

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Old 12-22-2013, 10:29 AM   #1
gerhardhomes
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Default Audi A8 2004 Adapter wiring harness for airbag

Airbag light on. Was diagnosed by dealer that passenger seat needs repair kit installed, 5K0998582. A few short wires

Question: anyone has done this and can help me locate where the wires go? Do i need to open up the passenger seat in the back, site ???
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Old 12-22-2013, 10:44 AM   #2
mishar
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Welcome!

Al wires goes to the bottom of the seat. Check there for a yellow airbag harness. Apply some DeoxIT or similar to contacts.
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Old 12-22-2013, 07:03 PM   #3
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It's in the archives. I was just looking at this last night (didn't apply to mine, which currently has an issue with the main bag on the steering wheel).

There are two connectors generally. One is under the seat--just look under there and you will see it (same w/ driver's seat). You are looking for a yellow connector, which the airbag ones are generally color coded. There is another one up in the seat back near the bag unit itself. There is a TSB (technical service bulletin) on this, which reviews the procedure. It deals with the connector down by the floor. That's where the issue usually is, which makes it easier to get at. The crux of it is just re-splicing those wires at the connector area.

Before you do a whole bunch though, try something simple--just unplug and then reconnect the connector under the seat. With the car turned off of course. See if that does it. Many just fiddle with the connectors or apply some anti oxidant stuff (like DeOxIt) and find that cures it.
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Current #1: '06 D3 A8L W12 brilliant black w/ amaretto; 4 seat setup, CPO; modestly lowered, H&R 20mm rear and 12mm front DRs with 275/35 on OEM polished + forged 20's; S8 sway bars (see: rear bar and gen'l D3 bar info and front bar); tweaked 385mm front factory brake mod and matching rear brake mod; matching C6 A6 back headrests (better rear view: headrest tweak); owner installed AMI retrofit with part number details here.
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helpful cross reference to a C6 post with MMI and other TSB's that also cover D3 A8's.

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Old 12-22-2013, 07:17 PM   #4
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After that you have to clear code with VCDS. It won't go off by itself.
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Old 12-22-2013, 07:17 PM
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