In the history, there is a schematic.

http://lancair.net/lists/lml/Message/43714.html?


On 2013-10-09, at 6:13 PM, "William A. Hogarty" <billhogarty@gmail.com> wrote:

I understood that the outflow valve was grounded whenever the gear switch was down.
 
Is this wrong?
 
Bill Hogarty