warning lamp with Euro lights

Kneale Brownson knotnook at traverse.com
Mon Nov 12 09:32:08 EST 2001


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The explanation I've read (as opposed to understood) is that the relay that
triggers the warning reads the power draw  DIFFERENCE when a bulb is out
and signals based on that difference.   I think Audi wires both sides
separately so that the warning system can work.  If you power one side from
a relayed source on the other side, the warning system cannot function as
designed.


At 05:01 AM 11/12/2001 -0800, james accordino wrote:

>Does anyone know what triggers the bulb warning lamp
>display when you install Euro lights?  Is it the brown
>wire (ground) for the main headlamps?  For the parking
>lamp?  If the burnout feedback is through the ground,
>wouldn't including the brown from the headlamp/park
>lamp in the new ground circuit keep that "feature" as
>designed?  Are the original brown wires too feeble to
>use for the ground? I did read several people sights
>regarding Euro installs, but they all deal with this
>by tricking the system.
>
>TIA
>Jim Accordino
>
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