towpro wrote:
Actually you want to wire them in parallel.
If wired in series, if the last switch in the line "opened" the other 3 switches could be active, but the signal would never make it to the panel.
In parallel, ANY negative output (jack down signal) would make it to the 1 terminal (pressure switch) on the panel giving you a warning.
Also, if changing anything like this I would advise making good notes, and packaging it into the space behind the panel so next owner will know what was done.
Your right. The switches are NC contacts when jack are not up.
