URQ Brake lights

[Huw Powell]

> I disagree with the statement that no power should appear at the
> switch. With the switch open, the full voltage drop will appear
> across the terminals because it has infinite resistance.

Good point, a meter should show that, allowing a tiny drop for the 
resistance of teh bulbs themselves.

> This assumes that Huw is correct and the load (bulbs) are
> between the supply and the switch and not the more normal case where
> the load is between the switch and ground.

VAG seem to be big fans of switched grounds.  I actually worked out a 
reason why it's a good idea once, but promptly forgot it.

Anyway, the schematic is the #1 place to start.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/