by Nick the Greek <nikko_NOSPAM_@[EMAIL PROTECTED]
>
Nov 15, 2007 at 02:28 PM
On Thu, 15 Nov 2007 12:22:45 -0000, "Richard Parkin" <a@[EMAIL PROTECTED]
> wrote:
>
>"dido22" <nospam@[EMAIL PROTECTED]
> wrote in message
>news:fhhd4n$oj3$1@[EMAIL PROTECTED]
>> Thanks for your help, but do you know how it works, what is the sensor
>> 'sensing' ?
>
>I would assume changes in the resistivity across 2 or more contacts
caused
>by moisture...
>
Intriguing question and a not-expected answer:
http://auto.howstuffworks.com/wiper4.htm
-Nick