Here is the power port:
https://www.amazon.com/gp/product/B0834MLS2X/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1
The harness came from here:
https://www.genesisoffroad.com/dual-usb-power-outlet
Black Rhino Chamber 17x8.5 -18 from discount tire. Will probably be a month or so before they get here. B/R told them they were on a ship headed this way......
I got the power board on amazon:
power panel for bed
I got the wiring harness from Genesis Offroad:
wiring harness
It's pretty straight forward from there. You will need some red/black wire and some connectors to wire the power panel. Will also need some zip ties to run the wiring...