Crutchfield sells vehicle specific brackets for vehicles, including Rangers. They mount in a manner so as not to damage the interior, as in when you sell it, there is no damage accrued from the installation. I think they are about $35 if it's worth that to you. If you can't find them, I'll round up a link for you. It's Pro-"______", but I can't remember the name right now after 3 Magic Hat Circus Boy's and 2 Sierra Nevada Pale Ale's.