The Cherokees and Wagoneers were among the pioneers of things like air conditioning and power windows. Today a lot of the power options on many of these don’t work, and none are more notorious than the power tailgate window. You’ve gotta put the window down to open the tailgate. When new, the switch in the dash was great for ventilation, and the key turn activation from outside was very convenient. Today, you might want to keep your eyes peeled for junkyard manual window setups.