Sparkfun GPS Shield

Hello friends my hand GPS Shield Hookup Guide - existing GPS shield. D4 of the EM-406 GPS does not light up. I could, I would be happy if you help.

Stupid question, perhaps, but have you got the power switch set to the on position?

EM-406's no power switch on. Should work directly with the connection cable. But does not work.

There is a power switch on the shield, next to the cable socket. Is it set on?

He is already open. However, EM-406's on the LED is not activated.