Whoever got it got one heck of a deal.
Just an FYI, it should come with a remote display. If you want to mount that display further away than the short cord will allow you MUST by a "Data" cable not just a "Phone" cable.
Call PI Tech support and they will tell you about what you need.
2012 Wildcat Sterling 32RL, Gladiator Qr35 ST235/85R16 Load rating G, TST 507 TPMS w/ Flow-thru Sensors & Repeater, Reese Sidewinder 16K Pin Box, PI EMS HW50C
2008 Chevy Silverado 2500HD CCSB LTZ Diesel, Fumoto Oil Drain Valve, Turbo Brake activated, 39 gal Aux Tank W/ Fuel Pump transfer, Air Lift Loadlifter 5000 air bags.