In case you guys need some info. I've found these ideas on how to hook up the car or truck parts with a power inverter. This will allow you to plug in the PS4 inside your vehicle.
https://www.youtube.com/watch?v=PB0OvFtGmSg
https://www.reddit.com/r/PS4/comments/28tbfm/could_i_use_my_ps4_in_my_car/
https://www.thetruckersreport.com/truckingindustryforum/threads/sony-ps4-inverter-question.275408/
https://www.youtube.com/watch?v=PB0OvFtGmSg
https://www.reddit.com/r/PS4/comments/28tbfm/could_i_use_my_ps4_in_my_car/
https://www.thetruckersreport.com/truckingindustryforum/threads/sony-ps4-inverter-question.275408/