im located in pcb and theres nothing worse than getting sand in your vehicle... especially our fine white sand we have in the panhandle so i made this, i also use it to rinse rods at the boat ramp and especially when fishing from the surf... its pressurized running water stored and built into the factory bumper of my jeep... ive even turned it into a kit...but anyways check it out pressurized water from the jeep i will soon be adding a new pump to make it capable of running a water hose
https://www.youtube.com/watch?v=l1NnBAOeIuk&list=UUdKPKUpDnzi1OEz3-7ecJ0g

where did he install the water tank?