USB power output for dash cam

[gpbst3]

I was installing my dash cam which requires 5V. Would the USB provide enough power? When plugged in to the USB the camera continuously powers on and off.

Cigarette lighter power works fine.

 

[STATIC3o5]

This is the way i went when i installed mine. https://5thgenrams.com/community/threads/hard-wire-dash-cam-install.550/