The jumper on the motor Shield doesn't work

Hardware
1

My problem is that despite the fact that I installed the jumper on the motor shield my arduino is not powered, unless I plug it in USB.

Arduino: Arduino UNO R3
Shield: L293D Based Arduino Motor Shield
Arduino Picture 1jpg
(As a new user I can't upload 2 pictures. When I unplug the blue usb cable the wheels stop turning immediately. Even when I'm pressing the reset button)

https://cdn-learn.adafruit.com/downloads/pdf/adafruit-motor-shield.pdf (P.37)
"If you would like to have a single DC power supply for the Arduino and motors, simply
plug it into the DC jack on the Arduino or the 2-pin PWR_EXT block on the shield.
Place the power jumper on the motor shield. "

This is exactly what I did. I powered the PWR_EXT block with 6 volt via batteries (4*1,5 in series) and placed the power jumper on the motor shield. However the moment I unplug the usb drive the wheels stop completely. Probably because my normal arduino board is not powered and can't control them anymore

2

Did you notice this?

"This tutorial is for the now ancient V1 Motor shield. Chances are you have a V2,
check out the tutorial https://learn.adafruit.com/adafruit-motor-shield-v2-for-
arduino This tutorial is for historical reference and previous customers only!

3

I am a previous customer with a V1 Motor shield...

4

When your posting privileges are granted, upload a complete wiring diagram of your system.

5

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