MY '95 X 4x4 COMES WITH A BUMPER HITCH (CLASS 2). UNFORTUNATELY I CANNOT LOCATE ANY ADDITIONAL PLUGS OR WIRE UNDER THE REAR BUMPER? I ASSUMED THAT THIS WOULD BE INSTALLED AT FACTORY, SINCE IT COMES WITH A TRAILER HITCH! AM I WRONG? I CHECKED EVERY CORNER IN THE REAR BUMPER AREA - NOTHING!
WHAT...