In this guide, you will learn where to find Fuse Boxes at FIB Site in Grand Theft Auto Online Criminal Enterprises Update. It is very easy to find the boxes, you just have to follow the simple in this guide to do so.
This is the location of the second FIB site. There are only two fuse boxes in the main building. The first one is on the right-hand side when you are entering the building and the other is at the top above the vehicle shed.
You have to shoot both of them until the red arrow disappears.