12v will work fine. Just will take a little longer. You have four choices, Buy a empty air tank and fill it before you go, use the slow 12v pump you have now, drive on them flat, or blow really really hard. <img src="/forums/images/graemlins/lol.gif" alt="" />


* * MY 1993 JEEP GRAND CHEROKEE * * RockKrawler Long Arm Lift, 8" of total Lift, Garvin Wilderness Rack, Hella Lights, 285/75r16 Firestone Destination tires.