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Re: Eurolights and Autochelk



Perhaps measure the resistance of the OEM bulb and throw a slightly smaller
resistor in each headlight circuit to make the Autocheck think there is a bulb
in there. Use two resistors of identical value, one for each side.

Mike Arman wrote:

> >
> >Date: Tue, 2 Nov 1999 23:35:29 -0600
> >From: "Nicholas  Lawrence" <nick@beol.net>
> >Subject: Eurolights and Autochelk
> >
> >I'm in the process of installing euro lights on 1990 100.  Gone by the book
> >I believe, fuses near the 12v source,  4 relays with signal from each
> >headlight connector.  If the autochek is looking for matched current I got
> >it,  160ma on each.  Autochek shows bulb out,   any suggestions on where to
> >look now.  Thank You.
> >Nick
>
> Nick,
>
> Sounds like you've done this right. From Audi's "official" explanation (and
> we know what that's worth) and my examination of a disassembled autocheck
> (probably more accurate), the autocheck does seem to measure current, and
> is happy when both draws are the same
>
> I've done the exact same conversion on my 86 5K, and autocheck is perfectly
> happy. Roger Bouilly did this conversion on his 91 200, and had this exact
> problem which he subsequently solved, but he didn't tell me how.
>
> Change in specification/operation of autocheck early vs. late?
>
> If not, look for wiring error, or perhaps a different bulb is out?
> Autocheck also checks the tail or brake lights, I seem to remember.
>
> Best Regards,
>
> Mike Arman

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