re: <V8> Wipers (again)

[Ken <kkeith@qnet.com>]

quk@isham-research.demon.co.uk (Phil Payne) wrote:
> 
> Nothing special about the V8, or about most Audis.  The self-parking mechanism 
> is a copper track surrounding the motor spindle.  This copper track (and a 
> contact wiper attached to the spindle) make a circuit that powers the motor in 
> every position apart from "parked".  It's only necessary to feed the motor 
> itself a short pulse - once the spindle has moved a fraction of a turn it 
> closes the internal switch and powers itself around the rest of the cycle.

Phil,

That's great!  I'm not having a problem with mine, but I've wondered how
it 
"knows" to park the wipers.  It's alot simpler than I thought.

Ken