Air Ride Switch Wiring Help (Lots of switches)

[jmlcolorado]

So im building a air system for my rat rod on a 68 c10 chassis.
I bought a "switch box" that im assuming was ment for hydraulics. There are 10 total switches.
2 large 12 pole switches, 4 smaller 3 pole switches, and 4 smaller 6 pole switches.
All are momentary 2 way switches.
I understand the 3 pole switches, to inflate and deflate each bag seperatly.
But what the heck are the 2 12 pole switches and 4 6 pole switches for?
I wouldn't mind having one of the main 12 pole switches to air up and deflate all bags at once but im not sure i need the rest. Id have a total of 5.
The wire coming out of the box has 9 total wires. Thats got me confused too. Wouldn't you only need 8? 1 for each pressure and dump valves? Whats the 9th one for?