I'll have to look in to that. Electrical is voodoo magic to meAlso, you use a relay so the full current of the circuit isnt going through your switch. They are pretty simple to wire.
They allow the military off road tires for road use so long as there dot approved...
My friends truck scaled in at 6000 ish lbs up front ,,, 6000 ish rear...
Its street legal all around the world,,, 2 1/2 ton rating...
He has a set of skidder tire chains if he needs them,,, they added a full skid plate on the undercarriage so they can drive threw cut blocks... lol...
Slow and steady ...