How to install an inverter in a pickup

In this video I install a 4000 watt dc to ac inverter in a pickup. I tried my best to repair the audio in this video, I will do a second video and narrate it because the audio did not come out good using the built in microphone on the camera.
Warning:
Warning replicating anything seen in this video may result in injury or harm if used incorrectly. This video is made for educational purposes but no one should replicate anything in this video. If you intend to do anything similar it is highly recommended that you seek professional guidance and training prior to attempting anything similar.