[Biturbos4] Adjusting behaviour of fog-light switches?

Ti Kan ti at amb.org
Tue Dec 9 05:30:47 EST 2003

Andy Turner writes:
> Using the VAG-COM (or anything else), it it possible to stop the front
> fogs coming on when you put the rears on? The rears don't come on when
> you put the front ones on, so I'd like them to be totally independant.

On the B5 platform cars, this is a function of the "light control relay"
(it's actually not a relay, but a circuit module with bunch of
electronics inside).  It's located behind the glovebox on the post-99.5

Info about modifying this module to make all switching independent is at:
http://www.audiworld.com/tech/ext11.shtml (for 99.5 and later models)
http://www.audiworld.com/tech/ext10.shtml (for earlier models)

2003 A4 1.8T multitronic
2001 S4 biturbo 6-sp
1984 5000S turbo
1980 4000 2.0 5-sp
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