Wifi only connects when connected to Arduino with serial monitor.

More on ...adding a jumper pin 3 to pin 7 on the Wifi Shield.

I found the reference to that, it's in the comments section at the bottom of :

Odd thing is that there is NO reference in this document to possibly needing to add a jumper from the 3.3 V pin to the IOREF pin...YIKES!!!!!

David G.

Gaithersburg MD