I liken the EMS to an insurance policy on your car (Except the state does not mandate you have one).
You may have never been in a wreck, but still you have the insurance and are glad for it.
I agree wit having the EMS ours is hardwired from Progressive Industries
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.